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Finding the Fourth Proportional to 48,792.58, 73,187.15 and 20,694.58

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Solution

The fourth proportional to 48,792.58, 73,187.15 and 20,694.58 is: 31,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,792.58 : 73,187.15 = 20,694.58 : x
  2. Step 2: Convert to fraction form
    48,792.58/73,187.15 = 20,694.58/x
  3. Step 3: Cross multiply
    48,792.58x = 73,187.15 × 20,694.58
  4. Step 4: Simplify right side
    48,792.58x = 1,514,577,330.65
  5. Step 5: Solve for x
    x = 1,514,577,330.65/48,792.58
  6. Step 6: Final answer
    x = 31,041.14

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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.