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Finding the Fourth Proportional to 48,399.40, 72,602.70 and 17,230.60

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Solution

The fourth proportional to 48,399.40, 72,602.70 and 17,230.60 is: 25,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,399.40 : 72,602.70 = 17,230.60 : x
  2. Step 2: Convert to fraction form
    48,399.40/72,602.70 = 17,230.60/x
  3. Step 3: Cross multiply
    48,399.40x = 72,602.70 × 17,230.60
  4. Step 4: Simplify right side
    48,399.40x = 1,250,988,082.62
  5. Step 5: Solve for x
    x = 1,250,988,082.62/48,399.40
  6. Step 6: Final answer
    x = 25,847.18

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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.