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Finding the Fourth Proportional to 7,520.04, 10,381.57 and 7,023.11

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Solution

The fourth proportional to 7,520.04, 10,381.57 and 7,023.11 is: 9,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.04 : 10,381.57 = 7,023.11 : x
  2. Step 2: Convert to fraction form
    7,520.04/10,381.57 = 7,023.11/x
  3. Step 3: Cross multiply
    7,520.04x = 10,381.57 × 7,023.11
  4. Step 4: Simplify right side
    7,520.04x = 72,910,838.62
  5. Step 5: Solve for x
    x = 72,910,838.62/7,520.04
  6. Step 6: Final answer
    x = 9,695.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.