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Finding the Fourth Proportional to 48,562.80, 72,844.20 and 31,052.40

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Solution

The fourth proportional to 48,562.80, 72,844.20 and 31,052.40 is: 46,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,562.80 : 72,844.20 = 31,052.40 : x
  2. Step 2: Convert to fraction form
    48,562.80/72,844.20 = 31,052.40/x
  3. Step 3: Cross multiply
    48,562.80x = 72,844.20 × 31,052.40
  4. Step 4: Simplify right side
    48,562.80x = 2,261,987,236.08
  5. Step 5: Solve for x
    x = 2,261,987,236.08/48,562.80
  6. Step 6: Final answer
    x = 46,578.60

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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.