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Finding the Fourth Proportional to 68,472.69, 94,482.90 and 38,254.26

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Solution

The fourth proportional to 68,472.69, 94,482.90 and 38,254.26 is: 52,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,472.69 : 94,482.90 = 38,254.26 : x
  2. Step 2: Convert to fraction form
    68,472.69/94,482.90 = 38,254.26/x
  3. Step 3: Cross multiply
    68,472.69x = 94,482.90 × 38,254.26
  4. Step 4: Simplify right side
    68,472.69x = 3,614,373,422.15
  5. Step 5: Solve for x
    x = 3,614,373,422.15/68,472.69
  6. Step 6: Final answer
    x = 52,785.62

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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.