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Finding the Fourth Proportional to 7,229.54, 9,977.84 and 4,577.19

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Solution

The fourth proportional to 7,229.54, 9,977.84 and 4,577.19 is: 6,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.54 : 9,977.84 = 4,577.19 : x
  2. Step 2: Convert to fraction form
    7,229.54/9,977.84 = 4,577.19/x
  3. Step 3: Cross multiply
    7,229.54x = 9,977.84 × 4,577.19
  4. Step 4: Simplify right side
    7,229.54x = 45,670,446.58
  5. Step 5: Solve for x
    x = 45,670,446.58/7,229.54
  6. Step 6: Final answer
    x = 6,317.20

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Double scale
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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.