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Finding the Fourth Proportional to 61,777.89, 92,666.84 and 15,030.36

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Solution

The fourth proportional to 61,777.89, 92,666.84 and 15,030.36 is: 22,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,777.89 : 92,666.84 = 15,030.36 : x
  2. Step 2: Convert to fraction form
    61,777.89/92,666.84 = 15,030.36/x
  3. Step 3: Cross multiply
    61,777.89x = 92,666.84 × 15,030.36
  4. Step 4: Simplify right side
    61,777.89x = 1,392,815,890.11
  5. Step 5: Solve for x
    x = 1,392,815,890.11/61,777.89
  6. Step 6: Final answer
    x = 22,545.54

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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.