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Finding the Fourth Proportional to 7,495.40, 11,240.95 and 2,230.19

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Solution

The fourth proportional to 7,495.40, 11,240.95 and 2,230.19 is: 3,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.40 : 11,240.95 = 2,230.19 : x
  2. Step 2: Convert to fraction form
    7,495.40/11,240.95 = 2,230.19/x
  3. Step 3: Cross multiply
    7,495.40x = 11,240.95 × 2,230.19
  4. Step 4: Simplify right side
    7,495.40x = 25,069,454.28
  5. Step 5: Solve for x
    x = 25,069,454.28/7,495.40
  6. Step 6: Final answer
    x = 3,344.65

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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.