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Finding the Fourth Proportional to 5,479.22, 7,564.76 and 3,800.10

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Solution

The fourth proportional to 5,479.22, 7,564.76 and 3,800.10 is: 5,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.22 : 7,564.76 = 3,800.10 : x
  2. Step 2: Convert to fraction form
    5,479.22/7,564.76 = 3,800.10/x
  3. Step 3: Cross multiply
    5,479.22x = 7,564.76 × 3,800.10
  4. Step 4: Simplify right side
    5,479.22x = 28,746,844.48
  5. Step 5: Solve for x
    x = 28,746,844.48/5,479.22
  6. Step 6: Final answer
    x = 5,246.52

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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.