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Finding the Fourth Proportional to 6,873.66, 9,482.31 and 4,077.18

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Solution

The fourth proportional to 6,873.66, 9,482.31 and 4,077.18 is: 5,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.66 : 9,482.31 = 4,077.18 : x
  2. Step 2: Convert to fraction form
    6,873.66/9,482.31 = 4,077.18/x
  3. Step 3: Cross multiply
    6,873.66x = 9,482.31 × 4,077.18
  4. Step 4: Simplify right side
    6,873.66x = 38,661,084.69
  5. Step 5: Solve for x
    x = 38,661,084.69/6,873.66
  6. Step 6: Final answer
    x = 5,624.53

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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.