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Finding the Fourth Proportional to 75,296.40, 112,928.40 and 33,176.40

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Solution

The fourth proportional to 75,296.40, 112,928.40 and 33,176.40 is: 49,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,296.40 : 112,928.40 = 33,176.40 : x
  2. Step 2: Convert to fraction form
    75,296.40/112,928.40 = 33,176.40/x
  3. Step 3: Cross multiply
    75,296.40x = 112,928.40 × 33,176.40
  4. Step 4: Simplify right side
    75,296.40x = 3,746,557,769.76
  5. Step 5: Solve for x
    x = 3,746,557,769.76/75,296.40
  6. Step 6: Final answer
    x = 49,757.46

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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.