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Finding the Fourth Proportional to 73,479.03, 101,402.73 and 39,945.03

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Solution

The fourth proportional to 73,479.03, 101,402.73 and 39,945.03 is: 55,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,479.03 : 101,402.73 = 39,945.03 : x
  2. Step 2: Convert to fraction form
    73,479.03/101,402.73 = 39,945.03/x
  3. Step 3: Cross multiply
    73,479.03x = 101,402.73 × 39,945.03
  4. Step 4: Simplify right side
    73,479.03x = 4,050,535,091.93
  5. Step 5: Solve for x
    x = 4,050,535,091.93/73,479.03
  6. Step 6: Final answer
    x = 55,125.05

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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.