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Finding the Fourth Proportional to 5,104.95, 7,045.95 and 3,217.65

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Solution

The fourth proportional to 5,104.95, 7,045.95 and 3,217.65 is: 4,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.95 : 7,045.95 = 3,217.65 : x
  2. Step 2: Convert to fraction form
    5,104.95/7,045.95 = 3,217.65/x
  3. Step 3: Cross multiply
    5,104.95x = 7,045.95 × 3,217.65
  4. Step 4: Simplify right side
    5,104.95x = 22,671,401.02
  5. Step 5: Solve for x
    x = 22,671,401.02/5,104.95
  6. Step 6: Final answer
    x = 4,441.06

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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.