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Finding the Fourth Proportional to 13,948.44, 19,248.76 and 8,359.44

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Solution

The fourth proportional to 13,948.44, 19,248.76 and 8,359.44 is: 11,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.44 : 19,248.76 = 8,359.44 : x
  2. Step 2: Convert to fraction form
    13,948.44/19,248.76 = 8,359.44/x
  3. Step 3: Cross multiply
    13,948.44x = 19,248.76 × 8,359.44
  4. Step 4: Simplify right side
    13,948.44x = 160,908,854.29
  5. Step 5: Solve for x
    x = 160,908,854.29/13,948.44
  6. Step 6: Final answer
    x = 11,535.97

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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.