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Finding the Fourth Proportional to 48,009.60, 72,025.20 and 14,731.20

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Solution

The fourth proportional to 48,009.60, 72,025.20 and 14,731.20 is: 22,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009.60 : 72,025.20 = 14,731.20 : x
  2. Step 2: Convert to fraction form
    48,009.60/72,025.20 = 14,731.20/x
  3. Step 3: Cross multiply
    48,009.60x = 72,025.20 × 14,731.20
  4. Step 4: Simplify right side
    48,009.60x = 1,061,017,626.24
  5. Step 5: Solve for x
    x = 1,061,017,626.24/48,009.60
  6. Step 6: Final answer
    x = 22,100.11

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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.