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Finding the Fourth Proportional to 61,647.59, 92,472 and 19,526.87

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Solution

The fourth proportional to 61,647.59, 92,472 and 19,526.87 is: 29,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,647.59 : 92,472 = 19,526.87 : x
  2. Step 2: Convert to fraction form
    61,647.59/92,472 = 19,526.87/x
  3. Step 3: Cross multiply
    61,647.59x = 92,472 × 19,526.87
  4. Step 4: Simplify right side
    61,647.59x = 1,805,688,722.64
  5. Step 5: Solve for x
    x = 1,805,688,722.64/61,647.59
  6. Step 6: Final answer
    x = 29,290.50

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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.