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Finding the Fourth Proportional to 6,246.76, 8,620.14 and 5,495.08

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Solution

The fourth proportional to 6,246.76, 8,620.14 and 5,495.08 is: 7,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.76 : 8,620.14 = 5,495.08 : x
  2. Step 2: Convert to fraction form
    6,246.76/8,620.14 = 5,495.08/x
  3. Step 3: Cross multiply
    6,246.76x = 8,620.14 × 5,495.08
  4. Step 4: Simplify right side
    6,246.76x = 47,368,358.91
  5. Step 5: Solve for x
    x = 47,368,358.91/6,246.76
  6. Step 6: Final answer
    x = 7,582.87

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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.