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Finding the Fourth Proportional to 61,944.06, 85,478.48 and 34,348.48

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Solution

The fourth proportional to 61,944.06, 85,478.48 and 34,348.48 is: 47,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,944.06 : 85,478.48 = 34,348.48 : x
  2. Step 2: Convert to fraction form
    61,944.06/85,478.48 = 34,348.48/x
  3. Step 3: Cross multiply
    61,944.06x = 85,478.48 × 34,348.48
  4. Step 4: Simplify right side
    61,944.06x = 2,936,055,860.71
  5. Step 5: Solve for x
    x = 2,936,055,860.71/61,944.06
  6. Step 6: Final answer
    x = 47,398.51

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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.