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Finding the Fourth Proportional to 2,347.01, 3,519.38 and 886.28

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Solution

The fourth proportional to 2,347.01, 3,519.38 and 886.28 is: 1,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.01 : 3,519.38 = 886.28 : x
  2. Step 2: Convert to fraction form
    2,347.01/3,519.38 = 886.28/x
  3. Step 3: Cross multiply
    2,347.01x = 3,519.38 × 886.28
  4. Step 4: Simplify right side
    2,347.01x = 3,119,156.11
  5. Step 5: Solve for x
    x = 3,119,156.11/2,347.01
  6. Step 6: Final answer
    x = 1,328.99

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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.