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Finding the Fourth Proportional to 48,009.20, 72,004.20 and 23,049.20

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Solution

The fourth proportional to 48,009.20, 72,004.20 and 23,049.20 is: 34,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009.20 : 72,004.20 = 23,049.20 : x
  2. Step 2: Convert to fraction form
    48,009.20/72,004.20 = 23,049.20/x
  3. Step 3: Cross multiply
    48,009.20x = 72,004.20 × 23,049.20
  4. Step 4: Simplify right side
    48,009.20x = 1,659,639,206.64
  5. Step 5: Solve for x
    x = 1,659,639,206.64/48,009.20
  6. Step 6: Final answer
    x = 34,569.19

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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.