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Finding the Fourth Proportional to 69,673.50, 96,149.61 and 40,994.22

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Solution

The fourth proportional to 69,673.50, 96,149.61 and 40,994.22 is: 56,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,673.50 : 96,149.61 = 40,994.22 : x
  2. Step 2: Convert to fraction form
    69,673.50/96,149.61 = 40,994.22/x
  3. Step 3: Cross multiply
    69,673.50x = 96,149.61 × 40,994.22
  4. Step 4: Simplify right side
    69,673.50x = 3,941,578,265.25
  5. Step 5: Solve for x
    x = 3,941,578,265.25/69,673.50
  6. Step 6: Final answer
    x = 56,572.13

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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.