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Finding the Fourth Proportional to 18,952.92, 26,155.62 and 10,569.42

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Solution

The fourth proportional to 18,952.92, 26,155.62 and 10,569.42 is: 14,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.92 : 26,155.62 = 10,569.42 : x
  2. Step 2: Convert to fraction form
    18,952.92/26,155.62 = 10,569.42/x
  3. Step 3: Cross multiply
    18,952.92x = 26,155.62 × 10,569.42
  4. Step 4: Simplify right side
    18,952.92x = 276,449,733.14
  5. Step 5: Solve for x
    x = 276,449,733.14/18,952.92
  6. Step 6: Final answer
    x = 14,586.13

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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.