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Finding the Fourth Proportional to 48,295.74, 66,642.03 and 28,159.14

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Solution

The fourth proportional to 48,295.74, 66,642.03 and 28,159.14 is: 38,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,295.74 : 66,642.03 = 28,159.14 : x
  2. Step 2: Convert to fraction form
    48,295.74/66,642.03 = 28,159.14/x
  3. Step 3: Cross multiply
    48,295.74x = 66,642.03 × 28,159.14
  4. Step 4: Simplify right side
    48,295.74x = 1,876,582,252.65
  5. Step 5: Solve for x
    x = 1,876,582,252.65/48,295.74
  6. Step 6: Final answer
    x = 38,856.06

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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.