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Finding the Fourth Proportional to 10,882.99, 15,024.69 and 8,325.93

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Solution

The fourth proportional to 10,882.99, 15,024.69 and 8,325.93 is: 11,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.99 : 15,024.69 = 8,325.93 : x
  2. Step 2: Convert to fraction form
    10,882.99/15,024.69 = 8,325.93/x
  3. Step 3: Cross multiply
    10,882.99x = 15,024.69 × 8,325.93
  4. Step 4: Simplify right side
    10,882.99x = 125,094,586.76
  5. Step 5: Solve for x
    x = 125,094,586.76/10,882.99
  6. Step 6: Final answer
    x = 11,494.51

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1.5x scale

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.