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Finding the Fourth Proportional to 12,055.44, 16,636.65 and 7,275.63

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Solution

The fourth proportional to 12,055.44, 16,636.65 and 7,275.63 is: 10,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.44 : 16,636.65 = 7,275.63 : x
  2. Step 2: Convert to fraction form
    12,055.44/16,636.65 = 7,275.63/x
  3. Step 3: Cross multiply
    12,055.44x = 16,636.65 × 7,275.63
  4. Step 4: Simplify right side
    12,055.44x = 121,042,109.84
  5. Step 5: Solve for x
    x = 121,042,109.84/12,055.44
  6. Step 6: Final answer
    x = 10,040.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.