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Finding the Fourth Proportional to 76,034.84, 114,070.85 and 53,589.29

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Solution

The fourth proportional to 76,034.84, 114,070.85 and 53,589.29 is: 80,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,034.84 : 114,070.85 = 53,589.29 : x
  2. Step 2: Convert to fraction form
    76,034.84/114,070.85 = 53,589.29/x
  3. Step 3: Cross multiply
    76,034.84x = 114,070.85 × 53,589.29
  4. Step 4: Simplify right side
    76,034.84x = 6,112,975,593.25
  5. Step 5: Solve for x
    x = 6,112,975,593.25/76,034.84
  6. Step 6: Final answer
    x = 80,397.03

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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.