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Finding the Fourth Proportional to 15,353.71, 22,943.16 and 11,529.43

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Solution

The fourth proportional to 15,353.71, 22,943.16 and 11,529.43 is: 17,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.71 : 22,943.16 = 11,529.43 : x
  2. Step 2: Convert to fraction form
    15,353.71/22,943.16 = 11,529.43/x
  3. Step 3: Cross multiply
    15,353.71x = 22,943.16 × 11,529.43
  4. Step 4: Simplify right side
    15,353.71x = 264,521,557.20
  5. Step 5: Solve for x
    x = 264,521,557.20/15,353.71
  6. Step 6: Final answer
    x = 17,228.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.