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Finding the Fourth Proportional to 10,778.75, 14,875.53 and 6,063.38

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Solution

The fourth proportional to 10,778.75, 14,875.53 and 6,063.38 is: 8,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.75 : 14,875.53 = 6,063.38 : x
  2. Step 2: Convert to fraction form
    10,778.75/14,875.53 = 6,063.38/x
  3. Step 3: Cross multiply
    10,778.75x = 14,875.53 × 6,063.38
  4. Step 4: Simplify right side
    10,778.75x = 90,195,991.09
  5. Step 5: Solve for x
    x = 90,195,991.09/10,778.75
  6. Step 6: Final answer
    x = 8,367.95

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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.