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Finding the Fourth Proportional to 29,505.92, 40,718.16 and 16,077.16

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Solution

The fourth proportional to 29,505.92, 40,718.16 and 16,077.16 is: 22,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,505.92 : 40,718.16 = 16,077.16 : x
  2. Step 2: Convert to fraction form
    29,505.92/40,718.16 = 16,077.16/x
  3. Step 3: Cross multiply
    29,505.92x = 40,718.16 × 16,077.16
  4. Step 4: Simplify right side
    29,505.92x = 654,632,466.41
  5. Step 5: Solve for x
    x = 654,632,466.41/29,505.92
  6. Step 6: Final answer
    x = 22,186.48

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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.