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Finding the Fourth Proportional to 48,908.40, 73,362.60 and 48,616.80

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Solution

The fourth proportional to 48,908.40, 73,362.60 and 48,616.80 is: 72,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,908.40 : 73,362.60 = 48,616.80 : x
  2. Step 2: Convert to fraction form
    48,908.40/73,362.60 = 48,616.80/x
  3. Step 3: Cross multiply
    48,908.40x = 73,362.60 × 48,616.80
  4. Step 4: Simplify right side
    48,908.40x = 3,566,654,851.68
  5. Step 5: Solve for x
    x = 3,566,654,851.68/48,908.40
  6. Step 6: Final answer
    x = 72,925.20

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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.