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Finding the Fourth Proportional to 45,141.70, 67,738.48 and 35,253.22

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Solution

The fourth proportional to 45,141.70, 67,738.48 and 35,253.22 is: 52,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,141.70 : 67,738.48 = 35,253.22 : x
  2. Step 2: Convert to fraction form
    45,141.70/67,738.48 = 35,253.22/x
  3. Step 3: Cross multiply
    45,141.70x = 67,738.48 × 35,253.22
  4. Step 4: Simplify right side
    45,141.70x = 2,387,999,537.91
  5. Step 5: Solve for x
    x = 2,387,999,537.91/45,141.70
  6. Step 6: Final answer
    x = 52,900.08

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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.