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Finding the Fourth Proportional to 39,510, 54,534.54 and 22,523.18

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Solution

The fourth proportional to 39,510, 54,534.54 and 22,523.18 is: 31,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510 : 54,534.54 = 22,523.18 : x
  2. Step 2: Convert to fraction form
    39,510/54,534.54 = 22,523.18/x
  3. Step 3: Cross multiply
    39,510x = 54,534.54 × 22,523.18
  4. Step 4: Simplify right side
    39,510x = 1,228,290,987.96
  5. Step 5: Solve for x
    x = 1,228,290,987.96/39,510
  6. Step 6: Final answer
    x = 31,088.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.