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Finding the Fourth Proportional to 48,548.48, 72,822.72 and 13,488.12

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Solution

The fourth proportional to 48,548.48, 72,822.72 and 13,488.12 is: 20,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,548.48 : 72,822.72 = 13,488.12 : x
  2. Step 2: Convert to fraction form
    48,548.48/72,822.72 = 13,488.12/x
  3. Step 3: Cross multiply
    48,548.48x = 72,822.72 × 13,488.12
  4. Step 4: Simplify right side
    48,548.48x = 982,241,586.09
  5. Step 5: Solve for x
    x = 982,241,586.09/48,548.48
  6. Step 6: Final answer
    x = 20,232.18

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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.