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Finding the Fourth Proportional to 62,283.88, 85,953.58 and 33,991.38

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Solution

The fourth proportional to 62,283.88, 85,953.58 and 33,991.38 is: 46,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,283.88 : 85,953.58 = 33,991.38 : x
  2. Step 2: Convert to fraction form
    62,283.88/85,953.58 = 33,991.38/x
  3. Step 3: Cross multiply
    62,283.88x = 85,953.58 × 33,991.38
  4. Step 4: Simplify right side
    62,283.88x = 2,921,680,800.14
  5. Step 5: Solve for x
    x = 2,921,680,800.14/62,283.88
  6. Step 6: Final answer
    x = 46,909.10

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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.