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Finding the Fourth Proportional to 59,279.18, 88,792.04 and 47,985.74

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Solution

The fourth proportional to 59,279.18, 88,792.04 and 47,985.74 is: 71,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,279.18 : 88,792.04 = 47,985.74 : x
  2. Step 2: Convert to fraction form
    59,279.18/88,792.04 = 47,985.74/x
  3. Step 3: Cross multiply
    59,279.18x = 88,792.04 × 47,985.74
  4. Step 4: Simplify right side
    59,279.18x = 4,260,751,745.51
  5. Step 5: Solve for x
    x = 4,260,751,745.51/59,279.18
  6. Step 6: Final answer
    x = 71,876.02

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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.