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Finding the Fourth Proportional to 64,414, 88,861.08 and 45,561.52

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Solution

The fourth proportional to 64,414, 88,861.08 and 45,561.52 is: 62,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,414 : 88,861.08 = 45,561.52 : x
  2. Step 2: Convert to fraction form
    64,414/88,861.08 = 45,561.52/x
  3. Step 3: Cross multiply
    64,414x = 88,861.08 × 45,561.52
  4. Step 4: Simplify right side
    64,414x = 4,048,645,873.64
  5. Step 5: Solve for x
    x = 4,048,645,873.64/64,414
  6. Step 6: Final answer
    x = 62,853.51

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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.