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Finding the Fourth Proportional to 75,271.78, 112,951.41 and 33,718.78

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Solution

The fourth proportional to 75,271.78, 112,951.41 and 33,718.78 is: 50,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.78 : 112,951.41 = 33,718.78 : x
  2. Step 2: Convert to fraction form
    75,271.78/112,951.41 = 33,718.78/x
  3. Step 3: Cross multiply
    75,271.78x = 112,951.41 × 33,718.78
  4. Step 4: Simplify right side
    75,271.78x = 3,808,583,948.89
  5. Step 5: Solve for x
    x = 3,808,583,948.89/75,271.78
  6. Step 6: Final answer
    x = 50,597.77

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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.