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Finding the Fourth Proportional to 10,175.84, 15,269.52 and 4,331.84

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Solution

The fourth proportional to 10,175.84, 15,269.52 and 4,331.84 is: 6,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.84 : 15,269.52 = 4,331.84 : x
  2. Step 2: Convert to fraction form
    10,175.84/15,269.52 = 4,331.84/x
  3. Step 3: Cross multiply
    10,175.84x = 15,269.52 × 4,331.84
  4. Step 4: Simplify right side
    10,175.84x = 66,145,117.52
  5. Step 5: Solve for x
    x = 66,145,117.52/10,175.84
  6. Step 6: Final answer
    x = 6,500.21

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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.