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Finding the Fourth Proportional to 59,119.88, 88,679.82 and 39,436.88

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Solution

The fourth proportional to 59,119.88, 88,679.82 and 39,436.88 is: 59,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,119.88 : 88,679.82 = 39,436.88 : x
  2. Step 2: Convert to fraction form
    59,119.88/88,679.82 = 39,436.88/x
  3. Step 3: Cross multiply
    59,119.88x = 88,679.82 × 39,436.88
  4. Step 4: Simplify right side
    59,119.88x = 3,497,255,419.76
  5. Step 5: Solve for x
    x = 3,497,255,419.76/59,119.88
  6. Step 6: Final answer
    x = 59,155.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.