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Finding the Fourth Proportional to 40,874.80, 61,300.68 and 17,526.64

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Solution

The fourth proportional to 40,874.80, 61,300.68 and 17,526.64 is: 26,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874.80 : 61,300.68 = 17,526.64 : x
  2. Step 2: Convert to fraction form
    40,874.80/61,300.68 = 17,526.64/x
  3. Step 3: Cross multiply
    40,874.80x = 61,300.68 × 17,526.64
  4. Step 4: Simplify right side
    40,874.80x = 1,074,394,950.12
  5. Step 5: Solve for x
    x = 1,074,394,950.12/40,874.80
  6. Step 6: Final answer
    x = 26,285.02

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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.