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Finding the Fourth Proportional to 43,356.78, 64,981.92 and 24,652.50

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Solution

The fourth proportional to 43,356.78, 64,981.92 and 24,652.50 is: 36,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.78 : 64,981.92 = 24,652.50 : x
  2. Step 2: Convert to fraction form
    43,356.78/64,981.92 = 24,652.50/x
  3. Step 3: Cross multiply
    43,356.78x = 64,981.92 × 24,652.50
  4. Step 4: Simplify right side
    43,356.78x = 1,601,966,782.80
  5. Step 5: Solve for x
    x = 1,601,966,782.80/43,356.78
  6. Step 6: Final answer
    x = 36,948.47

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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.