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Finding the Fourth Proportional to 62,070.25, 85,656.22 and 33,775.45

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Solution

The fourth proportional to 62,070.25, 85,656.22 and 33,775.45 is: 46,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,070.25 : 85,656.22 = 33,775.45 : x
  2. Step 2: Convert to fraction form
    62,070.25/85,656.22 = 33,775.45/x
  3. Step 3: Cross multiply
    62,070.25x = 85,656.22 × 33,775.45
  4. Step 4: Simplify right side
    62,070.25x = 2,893,077,375.80
  5. Step 5: Solve for x
    x = 2,893,077,375.80/62,070.25
  6. Step 6: Final answer
    x = 46,609.73

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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.