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Finding the Fourth Proportional to 7,385.76, 10,236.36 and 7,247.52

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Solution

The fourth proportional to 7,385.76, 10,236.36 and 7,247.52 is: 10,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.76 : 10,236.36 = 7,247.52 : x
  2. Step 2: Convert to fraction form
    7,385.76/10,236.36 = 7,247.52/x
  3. Step 3: Cross multiply
    7,385.76x = 10,236.36 × 7,247.52
  4. Step 4: Simplify right side
    7,385.76x = 74,188,223.83
  5. Step 5: Solve for x
    x = 74,188,223.83/7,385.76
  6. Step 6: Final answer
    x = 10,044.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.