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Finding the Fourth Proportional to 74,659.59, 103,030.25 and 41,125.59

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Solution

The fourth proportional to 74,659.59, 103,030.25 and 41,125.59 is: 56,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,659.59 : 103,030.25 = 41,125.59 : x
  2. Step 2: Convert to fraction form
    74,659.59/103,030.25 = 41,125.59/x
  3. Step 3: Cross multiply
    74,659.59x = 103,030.25 × 41,125.59
  4. Step 4: Simplify right side
    74,659.59x = 4,237,179,613.47
  5. Step 5: Solve for x
    x = 4,237,179,613.47/74,659.59
  6. Step 6: Final answer
    x = 56,753.32

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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.