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Finding the Fourth Proportional to 59,342.40, 88,945.20 and 29,780.64

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Solution

The fourth proportional to 59,342.40, 88,945.20 and 29,780.64 is: 44,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,342.40 : 88,945.20 = 29,780.64 : x
  2. Step 2: Convert to fraction form
    59,342.40/88,945.20 = 29,780.64/x
  3. Step 3: Cross multiply
    59,342.40x = 88,945.20 × 29,780.64
  4. Step 4: Simplify right side
    59,342.40x = 2,648,844,980.93
  5. Step 5: Solve for x
    x = 2,648,844,980.93/59,342.40
  6. Step 6: Final answer
    x = 44,636.63

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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.