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Finding the Fourth Proportional to 6,479.96, 9,724.80 and 2,582.24

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Solution

The fourth proportional to 6,479.96, 9,724.80 and 2,582.24 is: 3,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.96 : 9,724.80 = 2,582.24 : x
  2. Step 2: Convert to fraction form
    6,479.96/9,724.80 = 2,582.24/x
  3. Step 3: Cross multiply
    6,479.96x = 9,724.80 × 2,582.24
  4. Step 4: Simplify right side
    6,479.96x = 25,111,767.55
  5. Step 5: Solve for x
    x = 25,111,767.55/6,479.96
  6. Step 6: Final answer
    x = 3,875.30

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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.