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Finding the Fourth Proportional to 7,233.24, 9,981.90 and 4,577.88

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Solution

The fourth proportional to 7,233.24, 9,981.90 and 4,577.88 is: 6,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,233.24 : 9,981.90 = 4,577.88 : x
  2. Step 2: Convert to fraction form
    7,233.24/9,981.90 = 4,577.88/x
  3. Step 3: Cross multiply
    7,233.24x = 9,981.90 × 4,577.88
  4. Step 4: Simplify right side
    7,233.24x = 45,695,940.37
  5. Step 5: Solve for x
    x = 45,695,940.37/7,233.24
  6. Step 6: Final answer
    x = 6,317.49

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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.