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Finding the Fourth Proportional to 48,260.40, 72,387.90 and 14,980.20

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Solution

The fourth proportional to 48,260.40, 72,387.90 and 14,980.20 is: 22,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,260.40 : 72,387.90 = 14,980.20 : x
  2. Step 2: Convert to fraction form
    48,260.40/72,387.90 = 14,980.20/x
  3. Step 3: Cross multiply
    48,260.40x = 72,387.90 × 14,980.20
  4. Step 4: Simplify right side
    48,260.40x = 1,084,385,219.58
  5. Step 5: Solve for x
    x = 1,084,385,219.58/48,260.40
  6. Step 6: Final answer
    x = 22,469.46

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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.