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Finding the Fourth Proportional to 47,672.49, 65,760.69 and 29,736.35

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Solution

The fourth proportional to 47,672.49, 65,760.69 and 29,736.35 is: 41,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,672.49 : 65,760.69 = 29,736.35 : x
  2. Step 2: Convert to fraction form
    47,672.49/65,760.69 = 29,736.35/x
  3. Step 3: Cross multiply
    47,672.49x = 65,760.69 × 29,736.35
  4. Step 4: Simplify right side
    47,672.49x = 1,955,482,565.28
  5. Step 5: Solve for x
    x = 1,955,482,565.28/47,672.49
  6. Step 6: Final answer
    x = 41,019.10

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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.