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Finding the Fourth Proportional to 64,118.88, 88,476.42 and 35,436.78

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Solution

The fourth proportional to 64,118.88, 88,476.42 and 35,436.78 is: 48,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,118.88 : 88,476.42 = 35,436.78 : x
  2. Step 2: Convert to fraction form
    64,118.88/88,476.42 = 35,436.78/x
  3. Step 3: Cross multiply
    64,118.88x = 88,476.42 × 35,436.78
  4. Step 4: Simplify right side
    64,118.88x = 3,135,319,430.73
  5. Step 5: Solve for x
    x = 3,135,319,430.73/64,118.88
  6. Step 6: Final answer
    x = 48,898.54

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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.