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Finding the Fourth Proportional to 61,852.70, 85,377.29 and 43,999.49

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Solution

The fourth proportional to 61,852.70, 85,377.29 and 43,999.49 is: 60,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,852.70 : 85,377.29 = 43,999.49 : x
  2. Step 2: Convert to fraction form
    61,852.70/85,377.29 = 43,999.49/x
  3. Step 3: Cross multiply
    61,852.70x = 85,377.29 × 43,999.49
  4. Step 4: Simplify right side
    61,852.70x = 3,756,556,570.70
  5. Step 5: Solve for x
    x = 3,756,556,570.70/61,852.70
  6. Step 6: Final answer
    x = 60,733.92

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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.