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Finding the Fourth Proportional to 61,345.59, 91,981.22 and 40,014.24

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Solution

The fourth proportional to 61,345.59, 91,981.22 and 40,014.24 is: 59,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,345.59 : 91,981.22 = 40,014.24 : x
  2. Step 2: Convert to fraction form
    61,345.59/91,981.22 = 40,014.24/x
  3. Step 3: Cross multiply
    61,345.59x = 91,981.22 × 40,014.24
  4. Step 4: Simplify right side
    61,345.59x = 3,680,558,612.57
  5. Step 5: Solve for x
    x = 3,680,558,612.57/61,345.59
  6. Step 6: Final answer
    x = 59,997.12

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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.