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Finding the Fourth Proportional to 23,259.18, 34,888.90 and 5,728.88

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Solution

The fourth proportional to 23,259.18, 34,888.90 and 5,728.88 is: 8,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,259.18 : 34,888.90 = 5,728.88 : x
  2. Step 2: Convert to fraction form
    23,259.18/34,888.90 = 5,728.88/x
  3. Step 3: Cross multiply
    23,259.18x = 34,888.90 × 5,728.88
  4. Step 4: Simplify right side
    23,259.18x = 199,874,321.43
  5. Step 5: Solve for x
    x = 199,874,321.43/23,259.18
  6. Step 6: Final answer
    x = 8,593.35

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1.5x scale

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.