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Finding the Fourth Proportional to 64,324.78, 88,766.88 and 35,644.20

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Solution

The fourth proportional to 64,324.78, 88,766.88 and 35,644.20 is: 49,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,324.78 : 88,766.88 = 35,644.20 : x
  2. Step 2: Convert to fraction form
    64,324.78/88,766.88 = 35,644.20/x
  3. Step 3: Cross multiply
    64,324.78x = 88,766.88 × 35,644.20
  4. Step 4: Simplify right side
    64,324.78x = 3,164,024,424.10
  5. Step 5: Solve for x
    x = 3,164,024,424.10/64,324.78
  6. Step 6: Final answer
    x = 49,188.27

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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.