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Finding the Fourth Proportional to 64,760.32, 89,366.07 and 36,066.88

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Solution

The fourth proportional to 64,760.32, 89,366.07 and 36,066.88 is: 49,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,760.32 : 89,366.07 = 36,066.88 : x
  2. Step 2: Convert to fraction form
    64,760.32/89,366.07 = 36,066.88/x
  3. Step 3: Cross multiply
    64,760.32x = 89,366.07 × 36,066.88
  4. Step 4: Simplify right side
    64,760.32x = 3,223,155,322.76
  5. Step 5: Solve for x
    x = 3,223,155,322.76/64,760.32
  6. Step 6: Final answer
    x = 49,770.53

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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.