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Finding the Fourth Proportional to 48,248.91, 72,371.01 and 13,188.63

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Solution

The fourth proportional to 48,248.91, 72,371.01 and 13,188.63 is: 19,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,248.91 : 72,371.01 = 13,188.63 : x
  2. Step 2: Convert to fraction form
    48,248.91/72,371.01 = 13,188.63/x
  3. Step 3: Cross multiply
    48,248.91x = 72,371.01 × 13,188.63
  4. Step 4: Simplify right side
    48,248.91x = 954,474,473.62
  5. Step 5: Solve for x
    x = 954,474,473.62/48,248.91
  6. Step 6: Final answer
    x = 19,782.30

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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.