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Finding the Fourth Proportional to 64,432.08, 88,911.72 and 35,753.28

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Solution

The fourth proportional to 64,432.08, 88,911.72 and 35,753.28 is: 49,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,432.08 : 88,911.72 = 35,753.28 : x
  2. Step 2: Convert to fraction form
    64,432.08/88,911.72 = 35,753.28/x
  3. Step 3: Cross multiply
    64,432.08x = 88,911.72 × 35,753.28
  4. Step 4: Simplify right side
    64,432.08x = 3,178,885,620.44
  5. Step 5: Solve for x
    x = 3,178,885,620.44/64,432.08
  6. Step 6: Final answer
    x = 49,337.00

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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.