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Finding the Fourth Proportional to 40,751.80, 61,127.70 and 22,964.20

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Solution

The fourth proportional to 40,751.80, 61,127.70 and 22,964.20 is: 34,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,751.80 : 61,127.70 = 22,964.20 : x
  2. Step 2: Convert to fraction form
    40,751.80/61,127.70 = 22,964.20/x
  3. Step 3: Cross multiply
    40,751.80x = 61,127.70 × 22,964.20
  4. Step 4: Simplify right side
    40,751.80x = 1,403,748,728.34
  5. Step 5: Solve for x
    x = 1,403,748,728.34/40,751.80
  6. Step 6: Final answer
    x = 34,446.30

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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.