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Finding the Fourth Proportional to 7,445.66, 11,087.52 and 7,363.85

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Solution

The fourth proportional to 7,445.66, 11,087.52 and 7,363.85 is: 10,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.66 : 11,087.52 = 7,363.85 : x
  2. Step 2: Convert to fraction form
    7,445.66/11,087.52 = 7,363.85/x
  3. Step 3: Cross multiply
    7,445.66x = 11,087.52 × 7,363.85
  4. Step 4: Simplify right side
    7,445.66x = 81,646,751.10
  5. Step 5: Solve for x
    x = 81,646,751.10/7,445.66
  6. Step 6: Final answer
    x = 10,965.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.