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Finding the Fourth Proportional to 10,645.48, 15,968.22 and 4,073.68

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Solution

The fourth proportional to 10,645.48, 15,968.22 and 4,073.68 is: 6,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.48 : 15,968.22 = 4,073.68 : x
  2. Step 2: Convert to fraction form
    10,645.48/15,968.22 = 4,073.68/x
  3. Step 3: Cross multiply
    10,645.48x = 15,968.22 × 4,073.68
  4. Step 4: Simplify right side
    10,645.48x = 65,049,418.45
  5. Step 5: Solve for x
    x = 65,049,418.45/10,645.48
  6. Step 6: Final answer
    x = 6,110.52

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.