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Finding the Fourth Proportional to 10,712.90, 16,066.52 and 4,868.22

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Solution

The fourth proportional to 10,712.90, 16,066.52 and 4,868.22 is: 7,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.90 : 16,066.52 = 4,868.22 : x
  2. Step 2: Convert to fraction form
    10,712.90/16,066.52 = 4,868.22/x
  3. Step 3: Cross multiply
    10,712.90x = 16,066.52 × 4,868.22
  4. Step 4: Simplify right side
    10,712.90x = 78,215,353.99
  5. Step 5: Solve for x
    x = 78,215,353.99/10,712.90
  6. Step 6: Final answer
    x = 7,301.04

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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.