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Finding the Fourth Proportional to 58,988.34, 88,459.02 and 21,539.88

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Solution

The fourth proportional to 58,988.34, 88,459.02 and 21,539.88 is: 32,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,988.34 : 88,459.02 = 21,539.88 : x
  2. Step 2: Convert to fraction form
    58,988.34/88,459.02 = 21,539.88/x
  3. Step 3: Cross multiply
    58,988.34x = 88,459.02 × 21,539.88
  4. Step 4: Simplify right side
    58,988.34x = 1,905,396,675.72
  5. Step 5: Solve for x
    x = 1,905,396,675.72/58,988.34
  6. Step 6: Final answer
    x = 32,301.24

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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.