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Finding the Fourth Proportional to 9,045.45, 12,483.09 and 5,066.46

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Solution

The fourth proportional to 9,045.45, 12,483.09 and 5,066.46 is: 6,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.45 : 12,483.09 = 5,066.46 : x
  2. Step 2: Convert to fraction form
    9,045.45/12,483.09 = 5,066.46/x
  3. Step 3: Cross multiply
    9,045.45x = 12,483.09 × 5,066.46
  4. Step 4: Simplify right side
    9,045.45x = 63,245,076.16
  5. Step 5: Solve for x
    x = 63,245,076.16/9,045.45
  6. Step 6: Final answer
    x = 6,991.92

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Double scale
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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.