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Finding the Fourth Proportional to 40,744.80, 61,117.20 and 17,368.20

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Solution

The fourth proportional to 40,744.80, 61,117.20 and 17,368.20 is: 26,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,744.80 : 61,117.20 = 17,368.20 : x
  2. Step 2: Convert to fraction form
    40,744.80/61,117.20 = 17,368.20/x
  3. Step 3: Cross multiply
    40,744.80x = 61,117.20 × 17,368.20
  4. Step 4: Simplify right side
    40,744.80x = 1,061,495,753.04
  5. Step 5: Solve for x
    x = 1,061,495,753.04/40,744.80
  6. Step 6: Final answer
    x = 26,052.30

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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.