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Finding the Fourth Proportional to 61,695.27, 92,655.90 and 56,490.21

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Solution

The fourth proportional to 61,695.27, 92,655.90 and 56,490.21 is: 84,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,695.27 : 92,655.90 = 56,490.21 : x
  2. Step 2: Convert to fraction form
    61,695.27/92,655.90 = 56,490.21/x
  3. Step 3: Cross multiply
    61,695.27x = 92,655.90 × 56,490.21
  4. Step 4: Simplify right side
    61,695.27x = 5,234,151,248.74
  5. Step 5: Solve for x
    x = 5,234,151,248.74/61,695.27
  6. Step 6: Final answer
    x = 84,838.78

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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.