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Finding the Fourth Proportional to 15,913.38, 23,881.02 and 5,525.13

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Solution

The fourth proportional to 15,913.38, 23,881.02 and 5,525.13 is: 8,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.38 : 23,881.02 = 5,525.13 : x
  2. Step 2: Convert to fraction form
    15,913.38/23,881.02 = 5,525.13/x
  3. Step 3: Cross multiply
    15,913.38x = 23,881.02 × 5,525.13
  4. Step 4: Simplify right side
    15,913.38x = 131,945,740.03
  5. Step 5: Solve for x
    x = 131,945,740.03/15,913.38
  6. Step 6: Final answer
    x = 8,291.50

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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.