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Finding the Fourth Proportional to 64,251.64, 88,662.18 and 38,752.84

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Solution

The fourth proportional to 64,251.64, 88,662.18 and 38,752.84 is: 53,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,251.64 : 88,662.18 = 38,752.84 : x
  2. Step 2: Convert to fraction form
    64,251.64/88,662.18 = 38,752.84/x
  3. Step 3: Cross multiply
    64,251.64x = 88,662.18 × 38,752.84
  4. Step 4: Simplify right side
    64,251.64x = 3,435,911,275.59
  5. Step 5: Solve for x
    x = 3,435,911,275.59/64,251.64
  6. Step 6: Final answer
    x = 53,475.85

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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.