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Finding the Fourth Proportional to 58,854.60, 88,287.30 and 19,411.80

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Solution

The fourth proportional to 58,854.60, 88,287.30 and 19,411.80 is: 29,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854.60 : 88,287.30 = 19,411.80 : x
  2. Step 2: Convert to fraction form
    58,854.60/88,287.30 = 19,411.80/x
  3. Step 3: Cross multiply
    58,854.60x = 88,287.30 × 19,411.80
  4. Step 4: Simplify right side
    58,854.60x = 1,713,815,410.14
  5. Step 5: Solve for x
    x = 1,713,815,410.14/58,854.60
  6. Step 6: Final answer
    x = 29,119.48

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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.