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Finding the Fourth Proportional to 60,856.44, 83,981.29 and 33,998.87

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Solution

The fourth proportional to 60,856.44, 83,981.29 and 33,998.87 is: 46,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,856.44 : 83,981.29 = 33,998.87 : x
  2. Step 2: Convert to fraction form
    60,856.44/83,981.29 = 33,998.87/x
  3. Step 3: Cross multiply
    60,856.44x = 83,981.29 × 33,998.87
  4. Step 4: Simplify right side
    60,856.44x = 2,855,268,961.14
  5. Step 5: Solve for x
    x = 2,855,268,961.14/60,856.44
  6. Step 6: Final answer
    x = 46,918.11

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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.