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Finding the Fourth Proportional to 65,173.41, 89,892.95 and 59,813.17

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Solution

The fourth proportional to 65,173.41, 89,892.95 and 59,813.17 is: 82,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,173.41 : 89,892.95 = 59,813.17 : x
  2. Step 2: Convert to fraction form
    65,173.41/89,892.95 = 59,813.17/x
  3. Step 3: Cross multiply
    65,173.41x = 89,892.95 × 59,813.17
  4. Step 4: Simplify right side
    65,173.41x = 5,376,781,776.35
  5. Step 5: Solve for x
    x = 5,376,781,776.35/65,173.41
  6. Step 6: Final answer
    x = 82,499.62

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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.