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Finding the Fourth Proportional to 19,531.01, 26,952.02 and 11,463.57

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Solution

The fourth proportional to 19,531.01, 26,952.02 and 11,463.57 is: 15,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.01 : 26,952.02 = 11,463.57 : x
  2. Step 2: Convert to fraction form
    19,531.01/26,952.02 = 11,463.57/x
  3. Step 3: Cross multiply
    19,531.01x = 26,952.02 × 11,463.57
  4. Step 4: Simplify right side
    19,531.01x = 308,966,353.58
  5. Step 5: Solve for x
    x = 308,966,353.58/19,531.01
  6. Step 6: Final answer
    x = 15,819.27

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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.