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Finding the Fourth Proportional to 6,854.67, 10,281.89 and 1,660.53

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Solution

The fourth proportional to 6,854.67, 10,281.89 and 1,660.53 is: 2,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854.67 : 10,281.89 = 1,660.53 : x
  2. Step 2: Convert to fraction form
    6,854.67/10,281.89 = 1,660.53/x
  3. Step 3: Cross multiply
    6,854.67x = 10,281.89 × 1,660.53
  4. Step 4: Simplify right side
    6,854.67x = 17,073,378.50
  5. Step 5: Solve for x
    x = 17,073,378.50/6,854.67
  6. Step 6: Final answer
    x = 2,490.77

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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.