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Finding the Fourth Proportional to 73,435.74, 101,344.14 and 39,901.74

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Solution

The fourth proportional to 73,435.74, 101,344.14 and 39,901.74 is: 55,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,435.74 : 101,344.14 = 39,901.74 : x
  2. Step 2: Convert to fraction form
    73,435.74/101,344.14 = 39,901.74/x
  3. Step 3: Cross multiply
    73,435.74x = 101,344.14 × 39,901.74
  4. Step 4: Simplify right side
    73,435.74x = 4,043,807,524.80
  5. Step 5: Solve for x
    x = 4,043,807,524.80/73,435.74
  6. Step 6: Final answer
    x = 55,065.93

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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.