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Finding the Fourth Proportional to 52,863.89, 79,295.84 and 17,803.55

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Solution

The fourth proportional to 52,863.89, 79,295.84 and 17,803.55 is: 26,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,863.89 : 79,295.84 = 17,803.55 : x
  2. Step 2: Convert to fraction form
    52,863.89/79,295.84 = 17,803.55/x
  3. Step 3: Cross multiply
    52,863.89x = 79,295.84 × 17,803.55
  4. Step 4: Simplify right side
    52,863.89x = 1,411,747,132.11
  5. Step 5: Solve for x
    x = 1,411,747,132.11/52,863.89
  6. Step 6: Final answer
    x = 26,705.32

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Similar ratio
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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.