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Finding the Fourth Proportional to 6,502.80, 9,750.88 and 2,117.44

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Solution

The fourth proportional to 6,502.80, 9,750.88 and 2,117.44 is: 3,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.80 : 9,750.88 = 2,117.44 : x
  2. Step 2: Convert to fraction form
    6,502.80/9,750.88 = 2,117.44/x
  3. Step 3: Cross multiply
    6,502.80x = 9,750.88 × 2,117.44
  4. Step 4: Simplify right side
    6,502.80x = 20,646,903.35
  5. Step 5: Solve for x
    x = 20,646,903.35/6,502.80
  6. Step 6: Final answer
    x = 3,175.08

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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.