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Finding the Fourth Proportional to 68,003.87, 93,815.19 and 45,320.76

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Solution

The fourth proportional to 68,003.87, 93,815.19 and 45,320.76 is: 62,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.87 : 93,815.19 = 45,320.76 : x
  2. Step 2: Convert to fraction form
    68,003.87/93,815.19 = 45,320.76/x
  3. Step 3: Cross multiply
    68,003.87x = 93,815.19 × 45,320.76
  4. Step 4: Simplify right side
    68,003.87x = 4,251,775,710.34
  5. Step 5: Solve for x
    x = 4,251,775,710.34/68,003.87
  6. Step 6: Final answer
    x = 62,522.56

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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.