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Finding the Fourth Proportional to 1,476.92, 2,037.46 and 886.42

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Solution

The fourth proportional to 1,476.92, 2,037.46 and 886.42 is: 1,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.92 : 2,037.46 = 886.42 : x
  2. Step 2: Convert to fraction form
    1,476.92/2,037.46 = 886.42/x
  3. Step 3: Cross multiply
    1,476.92x = 2,037.46 × 886.42
  4. Step 4: Simplify right side
    1,476.92x = 1,806,045.29
  5. Step 5: Solve for x
    x = 1,806,045.29/1,476.92
  6. Step 6: Final answer
    x = 1,222.85

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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.