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Finding the Fourth Proportional to 61,327.95, 84,634.97 and 34,470.37

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Solution

The fourth proportional to 61,327.95, 84,634.97 and 34,470.37 is: 47,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,327.95 : 84,634.97 = 34,470.37 : x
  2. Step 2: Convert to fraction form
    61,327.95/84,634.97 = 34,470.37/x
  3. Step 3: Cross multiply
    61,327.95x = 84,634.97 × 34,470.37
  4. Step 4: Simplify right side
    61,327.95x = 2,917,398,664.28
  5. Step 5: Solve for x
    x = 2,917,398,664.28/61,327.95
  6. Step 6: Final answer
    x = 47,570.46

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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.