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Finding the Fourth Proportional to 19,478.70, 29,246.85 and 15,101.10

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Solution

The fourth proportional to 19,478.70, 29,246.85 and 15,101.10 is: 22,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.70 : 29,246.85 = 15,101.10 : x
  2. Step 2: Convert to fraction form
    19,478.70/29,246.85 = 15,101.10/x
  3. Step 3: Cross multiply
    19,478.70x = 29,246.85 × 15,101.10
  4. Step 4: Simplify right side
    19,478.70x = 441,659,606.54
  5. Step 5: Solve for x
    x = 441,659,606.54/19,478.70
  6. Step 6: Final answer
    x = 22,673.98

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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.