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Finding the Fourth Proportional to 60,626.71, 90,883.81 and 30,979.18

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Solution

The fourth proportional to 60,626.71, 90,883.81 and 30,979.18 is: 46,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,626.71 : 90,883.81 = 30,979.18 : x
  2. Step 2: Convert to fraction form
    60,626.71/90,883.81 = 30,979.18/x
  3. Step 3: Cross multiply
    60,626.71x = 90,883.81 × 30,979.18
  4. Step 4: Simplify right side
    60,626.71x = 2,815,505,909.08
  5. Step 5: Solve for x
    x = 2,815,505,909.08/60,626.71
  6. Step 6: Final answer
    x = 46,440.02

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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.