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Finding the Fourth Proportional to 83,473.48, 125,122.74 and 30,849.40

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Solution

The fourth proportional to 83,473.48, 125,122.74 and 30,849.40 is: 46,241.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,473.48 : 125,122.74 = 30,849.40 : x
  2. Step 2: Convert to fraction form
    83,473.48/125,122.74 = 30,849.40/x
  3. Step 3: Cross multiply
    83,473.48x = 125,122.74 × 30,849.40
  4. Step 4: Simplify right side
    83,473.48x = 3,859,961,455.36
  5. Step 5: Solve for x
    x = 3,859,961,455.36/83,473.48
  6. Step 6: Final answer
    x = 46,241.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.