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Finding the Fourth Proportional to 2,347.92, 3,521.94 and 886.80

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Solution

The fourth proportional to 2,347.92, 3,521.94 and 886.80 is: 1,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.92 : 3,521.94 = 886.80 : x
  2. Step 2: Convert to fraction form
    2,347.92/3,521.94 = 886.80/x
  3. Step 3: Cross multiply
    2,347.92x = 3,521.94 × 886.80
  4. Step 4: Simplify right side
    2,347.92x = 3,123,256.39
  5. Step 5: Solve for x
    x = 3,123,256.39/2,347.92
  6. Step 6: Final answer
    x = 1,330.22

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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.