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Finding the Fourth Proportional to 7,295.76, 10,948.88 and 4,949.92

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Solution

The fourth proportional to 7,295.76, 10,948.88 and 4,949.92 is: 7,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.76 : 10,948.88 = 4,949.92 : x
  2. Step 2: Convert to fraction form
    7,295.76/10,948.88 = 4,949.92/x
  3. Step 3: Cross multiply
    7,295.76x = 10,948.88 × 4,949.92
  4. Step 4: Simplify right side
    7,295.76x = 54,196,080.09
  5. Step 5: Solve for x
    x = 54,196,080.09/7,295.76
  6. Step 6: Final answer
    x = 7,428.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.