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Finding the Fourth Proportional to 5,458.58, 7,532.48 and 3,068.92

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Solution

The fourth proportional to 5,458.58, 7,532.48 and 3,068.92 is: 4,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.58 : 7,532.48 = 3,068.92 : x
  2. Step 2: Convert to fraction form
    5,458.58/7,532.48 = 3,068.92/x
  3. Step 3: Cross multiply
    5,458.58x = 7,532.48 × 3,068.92
  4. Step 4: Simplify right side
    5,458.58x = 23,116,578.52
  5. Step 5: Solve for x
    x = 23,116,578.52/5,458.58
  6. Step 6: Final answer
    x = 4,234.91

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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.