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Finding the Fourth Proportional to 53,672.70, 74,064.89 and 29,799.37

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Solution

The fourth proportional to 53,672.70, 74,064.89 and 29,799.37 is: 41,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,672.70 : 74,064.89 = 29,799.37 : x
  2. Step 2: Convert to fraction form
    53,672.70/74,064.89 = 29,799.37/x
  3. Step 3: Cross multiply
    53,672.70x = 74,064.89 × 29,799.37
  4. Step 4: Simplify right side
    53,672.70x = 2,207,087,061.12
  5. Step 5: Solve for x
    x = 2,207,087,061.12/53,672.70
  6. Step 6: Final answer
    x = 41,121.22

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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.