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Finding the Fourth Proportional to 48,482.80, 66,939.40 and 37,132.24

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Solution

The fourth proportional to 48,482.80, 66,939.40 and 37,132.24 is: 51,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,482.80 : 66,939.40 = 37,132.24 : x
  2. Step 2: Convert to fraction form
    48,482.80/66,939.40 = 37,132.24/x
  3. Step 3: Cross multiply
    48,482.80x = 66,939.40 × 37,132.24
  4. Step 4: Simplify right side
    48,482.80x = 2,485,609,866.26
  5. Step 5: Solve for x
    x = 2,485,609,866.26/48,482.80
  6. Step 6: Final answer
    x = 51,267.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.