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Finding the Fourth Proportional to 64,082.16, 88,432.56 and 35,788.32

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Solution

The fourth proportional to 64,082.16, 88,432.56 and 35,788.32 is: 49,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,082.16 : 88,432.56 = 35,788.32 : x
  2. Step 2: Convert to fraction form
    64,082.16/88,432.56 = 35,788.32/x
  3. Step 3: Cross multiply
    64,082.16x = 88,432.56 × 35,788.32
  4. Step 4: Simplify right side
    64,082.16x = 3,164,852,755.70
  5. Step 5: Solve for x
    x = 3,164,852,755.70/64,082.16
  6. Step 6: Final answer
    x = 49,387.42

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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.