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Finding the Fourth Proportional to 48,673.44, 73,032.88 and 47,887.20

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Solution

The fourth proportional to 48,673.44, 73,032.88 and 47,887.20 is: 71,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,673.44 : 73,032.88 = 47,887.20 : x
  2. Step 2: Convert to fraction form
    48,673.44/73,032.88 = 47,887.20/x
  3. Step 3: Cross multiply
    48,673.44x = 73,032.88 × 47,887.20
  4. Step 4: Simplify right side
    48,673.44x = 3,497,340,131.14
  5. Step 5: Solve for x
    x = 3,497,340,131.14/48,673.44
  6. Step 6: Final answer
    x = 71,853.15

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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.