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Finding the Fourth Proportional to 64,073.61, 88,419.78 and 35,392.70

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Solution

The fourth proportional to 64,073.61, 88,419.78 and 35,392.70 is: 48,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,073.61 : 88,419.78 = 35,392.70 : x
  2. Step 2: Convert to fraction form
    64,073.61/88,419.78 = 35,392.70/x
  3. Step 3: Cross multiply
    64,073.61x = 88,419.78 × 35,392.70
  4. Step 4: Simplify right side
    64,073.61x = 3,129,414,570.64
  5. Step 5: Solve for x
    x = 3,129,414,570.64/64,073.61
  6. Step 6: Final answer
    x = 48,840.93

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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.