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Finding the Fourth Proportional to 53,673.68, 74,065.84 and 29,799.56

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Solution

The fourth proportional to 53,673.68, 74,065.84 and 29,799.56 is: 41,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,673.68 : 74,065.84 = 29,799.56 : x
  2. Step 2: Convert to fraction form
    53,673.68/74,065.84 = 29,799.56/x
  3. Step 3: Cross multiply
    53,673.68x = 74,065.84 × 29,799.56
  4. Step 4: Simplify right side
    53,673.68x = 2,207,129,443.03
  5. Step 5: Solve for x
    x = 2,207,129,443.03/53,673.68
  6. Step 6: Final answer
    x = 41,121.26

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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.