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Finding the Fourth Proportional to 7,501.10, 11,251.65 and 7,355.30

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Solution

The fourth proportional to 7,501.10, 11,251.65 and 7,355.30 is: 11,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.10 : 11,251.65 = 7,355.30 : x
  2. Step 2: Convert to fraction form
    7,501.10/11,251.65 = 7,355.30/x
  3. Step 3: Cross multiply
    7,501.10x = 11,251.65 × 7,355.30
  4. Step 4: Simplify right side
    7,501.10x = 82,759,261.25
  5. Step 5: Solve for x
    x = 82,759,261.25/7,501.10
  6. Step 6: Final answer
    x = 11,032.95

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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.