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Finding the Fourth Proportional to 53,708.59, 74,115.80 and 29,836.77

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Solution

The fourth proportional to 53,708.59, 74,115.80 and 29,836.77 is: 41,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,708.59 : 74,115.80 = 29,836.77 : x
  2. Step 2: Convert to fraction form
    53,708.59/74,115.80 = 29,836.77/x
  3. Step 3: Cross multiply
    53,708.59x = 74,115.80 × 29,836.77
  4. Step 4: Simplify right side
    53,708.59x = 2,211,375,558.20
  5. Step 5: Solve for x
    x = 2,211,375,558.20/53,708.59
  6. Step 6: Final answer
    x = 41,173.59

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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.