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Finding the Fourth Proportional to 61,011.29, 91,477.76 and 29,379.98

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Solution

The fourth proportional to 61,011.29, 91,477.76 and 29,379.98 is: 44,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,011.29 : 91,477.76 = 29,379.98 : x
  2. Step 2: Convert to fraction form
    61,011.29/91,477.76 = 29,379.98/x
  3. Step 3: Cross multiply
    61,011.29x = 91,477.76 × 29,379.98
  4. Step 4: Simplify right side
    61,011.29x = 2,687,614,841.04
  5. Step 5: Solve for x
    x = 2,687,614,841.04/61,011.29
  6. Step 6: Final answer
    x = 44,051.10

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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.