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Finding the Fourth Proportional to 48,759.80, 73,160.94 and 19,199.12

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Solution

The fourth proportional to 48,759.80, 73,160.94 and 19,199.12 is: 28,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,759.80 : 73,160.94 = 19,199.12 : x
  2. Step 2: Convert to fraction form
    48,759.80/73,160.94 = 19,199.12/x
  3. Step 3: Cross multiply
    48,759.80x = 73,160.94 × 19,199.12
  4. Step 4: Simplify right side
    48,759.80x = 1,404,625,666.37
  5. Step 5: Solve for x
    x = 1,404,625,666.37/48,759.80
  6. Step 6: Final answer
    x = 28,807.04

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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.