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Finding the Fourth Proportional to 62,292, 85,964.04 and 33,998.40

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Solution

The fourth proportional to 62,292, 85,964.04 and 33,998.40 is: 46,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,292 : 85,964.04 = 33,998.40 : x
  2. Step 2: Convert to fraction form
    62,292/85,964.04 = 33,998.40/x
  3. Step 3: Cross multiply
    62,292x = 85,964.04 × 33,998.40
  4. Step 4: Simplify right side
    62,292x = 2,922,639,817.54
  5. Step 5: Solve for x
    x = 2,922,639,817.54/62,292
  6. Step 6: Final answer
    x = 46,918.38

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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.