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Finding the Fourth Proportional to 61,788.40, 92,681.84 and 15,041.68

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Solution

The fourth proportional to 61,788.40, 92,681.84 and 15,041.68 is: 22,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,788.40 : 92,681.84 = 15,041.68 : x
  2. Step 2: Convert to fraction form
    61,788.40/92,681.84 = 15,041.68/x
  3. Step 3: Cross multiply
    61,788.40x = 92,681.84 × 15,041.68
  4. Step 4: Simplify right side
    61,788.40x = 1,394,090,579.09
  5. Step 5: Solve for x
    x = 1,394,090,579.09/61,788.40
  6. Step 6: Final answer
    x = 22,562.33

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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.