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Finding the Fourth Proportional to 64,414.56, 88,891.92 and 36,125.40

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Solution

The fourth proportional to 64,414.56, 88,891.92 and 36,125.40 is: 49,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,414.56 : 88,891.92 = 36,125.40 : x
  2. Step 2: Convert to fraction form
    64,414.56/88,891.92 = 36,125.40/x
  3. Step 3: Cross multiply
    64,414.56x = 88,891.92 × 36,125.40
  4. Step 4: Simplify right side
    64,414.56x = 3,211,256,166.77
  5. Step 5: Solve for x
    x = 3,211,256,166.77/64,414.56
  6. Step 6: Final answer
    x = 49,852.96

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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.