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Finding the Fourth Proportional to 58,842.92, 88,259.58 and 19,399.40

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Solution

The fourth proportional to 58,842.92, 88,259.58 and 19,399.40 is: 29,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,842.92 : 88,259.58 = 19,399.40 : x
  2. Step 2: Convert to fraction form
    58,842.92/88,259.58 = 19,399.40/x
  3. Step 3: Cross multiply
    58,842.92x = 88,259.58 × 19,399.40
  4. Step 4: Simplify right side
    58,842.92x = 1,712,182,896.25
  5. Step 5: Solve for x
    x = 1,712,182,896.25/58,842.92
  6. Step 6: Final answer
    x = 29,097.52

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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.