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Finding the Fourth Proportional to 75,263.92, 112,912.72 and 25,340.16

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Solution

The fourth proportional to 75,263.92, 112,912.72 and 25,340.16 is: 38,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,263.92 : 112,912.72 = 25,340.16 : x
  2. Step 2: Convert to fraction form
    75,263.92/112,912.72 = 25,340.16/x
  3. Step 3: Cross multiply
    75,263.92x = 112,912.72 × 25,340.16
  4. Step 4: Simplify right side
    75,263.92x = 2,861,226,390.84
  5. Step 5: Solve for x
    x = 2,861,226,390.84/75,263.92
  6. Step 6: Final answer
    x = 38,015.91

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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.