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Finding the Fourth Proportional to 75,275.91, 112,957.60 and 33,722.91

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Solution

The fourth proportional to 75,275.91, 112,957.60 and 33,722.91 is: 50,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.91 : 112,957.60 = 33,722.91 : x
  2. Step 2: Convert to fraction form
    75,275.91/112,957.60 = 33,722.91/x
  3. Step 3: Cross multiply
    75,275.91x = 112,957.60 × 33,722.91
  4. Step 4: Simplify right side
    75,275.91x = 3,809,258,894.31
  5. Step 5: Solve for x
    x = 3,809,258,894.31/75,275.91
  6. Step 6: Final answer
    x = 50,603.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.