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Finding the Fourth Proportional to 5,085.66, 7,014.14 and 3,219.42

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Solution

The fourth proportional to 5,085.66, 7,014.14 and 3,219.42 is: 4,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.66 : 7,014.14 = 3,219.42 : x
  2. Step 2: Convert to fraction form
    5,085.66/7,014.14 = 3,219.42/x
  3. Step 3: Cross multiply
    5,085.66x = 7,014.14 × 3,219.42
  4. Step 4: Simplify right side
    5,085.66x = 22,581,462.60
  5. Step 5: Solve for x
    x = 22,581,462.60/5,085.66
  6. Step 6: Final answer
    x = 4,440.22

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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.