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Finding the Fourth Proportional to 58,938.42, 88,412.87 and 16,817.72

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Solution

The fourth proportional to 58,938.42, 88,412.87 and 16,817.72 is: 25,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,938.42 : 88,412.87 = 16,817.72 : x
  2. Step 2: Convert to fraction form
    58,938.42/88,412.87 = 16,817.72/x
  3. Step 3: Cross multiply
    58,938.42x = 88,412.87 × 16,817.72
  4. Step 4: Simplify right side
    58,938.42x = 1,486,902,365.90
  5. Step 5: Solve for x
    x = 1,486,902,365.90/58,938.42
  6. Step 6: Final answer
    x = 25,228.07

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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.