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Finding the Fourth Proportional to 7,472.10, 11,208.15 and 2,277.30

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Solution

The fourth proportional to 7,472.10, 11,208.15 and 2,277.30 is: 3,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.10 : 11,208.15 = 2,277.30 : x
  2. Step 2: Convert to fraction form
    7,472.10/11,208.15 = 2,277.30/x
  3. Step 3: Cross multiply
    7,472.10x = 11,208.15 × 2,277.30
  4. Step 4: Simplify right side
    7,472.10x = 25,524,320.00
  5. Step 5: Solve for x
    x = 25,524,320.00/7,472.10
  6. Step 6: Final answer
    x = 3,415.95

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Half scale
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Double scale
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Similar ratio
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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.