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Finding the Fourth Proportional to 61,107.51, 84,326.77 and 34,251.76

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Solution

The fourth proportional to 61,107.51, 84,326.77 and 34,251.76 is: 47,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,107.51 : 84,326.77 = 34,251.76 : x
  2. Step 2: Convert to fraction form
    61,107.51/84,326.77 = 34,251.76/x
  3. Step 3: Cross multiply
    61,107.51x = 84,326.77 × 34,251.76
  4. Step 4: Simplify right side
    61,107.51x = 2,888,340,435.84
  5. Step 5: Solve for x
    x = 2,888,340,435.84/61,107.51
  6. Step 6: Final answer
    x = 47,266.53

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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.