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Finding the Fourth Proportional to 61,699.87, 92,475.37 and 28,374.24

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Solution

The fourth proportional to 61,699.87, 92,475.37 and 28,374.24 is: 42,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,699.87 : 92,475.37 = 28,374.24 : x
  2. Step 2: Convert to fraction form
    61,699.87/92,475.37 = 28,374.24/x
  3. Step 3: Cross multiply
    61,699.87x = 92,475.37 × 28,374.24
  4. Step 4: Simplify right side
    61,699.87x = 2,623,918,342.47
  5. Step 5: Solve for x
    x = 2,623,918,342.47/61,699.87
  6. Step 6: Final answer
    x = 42,527.13

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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.