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Finding the Fourth Proportional to 19,652.76, 29,479.47 and 10,943.04

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Solution

The fourth proportional to 19,652.76, 29,479.47 and 10,943.04 is: 16,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.76 : 29,479.47 = 10,943.04 : x
  2. Step 2: Convert to fraction form
    19,652.76/29,479.47 = 10,943.04/x
  3. Step 3: Cross multiply
    19,652.76x = 29,479.47 × 10,943.04
  4. Step 4: Simplify right side
    19,652.76x = 322,595,019.39
  5. Step 5: Solve for x
    x = 322,595,019.39/19,652.76
  6. Step 6: Final answer
    x = 16,414.74

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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.