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Finding the Fourth Proportional to 61,989.59, 85,545.98 and 36,497.07

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Solution

The fourth proportional to 61,989.59, 85,545.98 and 36,497.07 is: 50,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,989.59 : 85,545.98 = 36,497.07 : x
  2. Step 2: Convert to fraction form
    61,989.59/85,545.98 = 36,497.07/x
  3. Step 3: Cross multiply
    61,989.59x = 85,545.98 × 36,497.07
  4. Step 4: Simplify right side
    61,989.59x = 3,122,177,437.79
  5. Step 5: Solve for x
    x = 3,122,177,437.79/61,989.59
  6. Step 6: Final answer
    x = 50,366.16

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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.