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Finding the Fourth Proportional to 57,740.82, 79,681.73 and 33,862.89

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Solution

The fourth proportional to 57,740.82, 79,681.73 and 33,862.89 is: 46,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.82 : 79,681.73 = 33,862.89 : x
  2. Step 2: Convert to fraction form
    57,740.82/79,681.73 = 33,862.89/x
  3. Step 3: Cross multiply
    57,740.82x = 79,681.73 × 33,862.89
  4. Step 4: Simplify right side
    57,740.82x = 2,698,253,787.49
  5. Step 5: Solve for x
    x = 2,698,253,787.49/57,740.82
  6. Step 6: Final answer
    x = 46,730.44

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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.