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Finding the Fourth Proportional to 7,247.00, 9,925.92 and 6,821.45

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Solution

The fourth proportional to 7,247.00, 9,925.92 and 6,821.45 is: 9,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.00 : 9,925.92 = 6,821.45 : x
  2. Step 2: Convert to fraction form
    7,247.00/9,925.92 = 6,821.45/x
  3. Step 3: Cross multiply
    7,247.00x = 9,925.92 × 6,821.45
  4. Step 4: Simplify right side
    7,247.00x = 67,709,142.93
  5. Step 5: Solve for x
    x = 67,709,142.93/7,247.00
  6. Step 6: Final answer
    x = 9,343.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.