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Finding the Fourth Proportional to 23,066.40, 34,605 and 7,484.04

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Solution

The fourth proportional to 23,066.40, 34,605 and 7,484.04 is: 11,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,066.40 : 34,605 = 7,484.04 : x
  2. Step 2: Convert to fraction form
    23,066.40/34,605 = 7,484.04/x
  3. Step 3: Cross multiply
    23,066.40x = 34,605 × 7,484.04
  4. Step 4: Simplify right side
    23,066.40x = 258,985,204.20
  5. Step 5: Solve for x
    x = 258,985,204.20/23,066.40
  6. Step 6: Final answer
    x = 11,227.81

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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.