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Finding the Fourth Proportional to 83,344.65, 115,015.37 and 45,618.63

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Solution

The fourth proportional to 83,344.65, 115,015.37 and 45,618.63 is: 62,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,344.65 : 115,015.37 = 45,618.63 : x
  2. Step 2: Convert to fraction form
    83,344.65/115,015.37 = 45,618.63/x
  3. Step 3: Cross multiply
    83,344.65x = 115,015.37 × 45,618.63
  4. Step 4: Simplify right side
    83,344.65x = 5,246,843,608.34
  5. Step 5: Solve for x
    x = 5,246,843,608.34/83,344.65
  6. Step 6: Final answer
    x = 62,953.57

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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.