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Finding the Fourth Proportional to 73,645.90, 101,632.01 and 41,815.47

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Solution

The fourth proportional to 73,645.90, 101,632.01 and 41,815.47 is: 57,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,645.90 : 101,632.01 = 41,815.47 : x
  2. Step 2: Convert to fraction form
    73,645.90/101,632.01 = 41,815.47/x
  3. Step 3: Cross multiply
    73,645.90x = 101,632.01 × 41,815.47
  4. Step 4: Simplify right side
    73,645.90x = 4,249,790,265.19
  5. Step 5: Solve for x
    x = 4,249,790,265.19/73,645.90
  6. Step 6: Final answer
    x = 57,705.73

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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.