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Finding the Fourth Proportional to 6,298.65, 9,448.85 and 2,788.38

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Solution

The fourth proportional to 6,298.65, 9,448.85 and 2,788.38 is: 4,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,298.65 : 9,448.85 = 2,788.38 : x
  2. Step 2: Convert to fraction form
    6,298.65/9,448.85 = 2,788.38/x
  3. Step 3: Cross multiply
    6,298.65x = 9,448.85 × 2,788.38
  4. Step 4: Simplify right side
    6,298.65x = 26,346,984.36
  5. Step 5: Solve for x
    x = 26,346,984.36/6,298.65
  6. Step 6: Final answer
    x = 4,182.96

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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.