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Finding the Fourth Proportional to 50,343.84, 75,525.84 and 28,188.72

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Solution

The fourth proportional to 50,343.84, 75,525.84 and 28,188.72 is: 42,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,343.84 : 75,525.84 = 28,188.72 : x
  2. Step 2: Convert to fraction form
    50,343.84/75,525.84 = 28,188.72/x
  3. Step 3: Cross multiply
    50,343.84x = 75,525.84 × 28,188.72
  4. Step 4: Simplify right side
    50,343.84x = 2,128,976,756.52
  5. Step 5: Solve for x
    x = 2,128,976,756.52/50,343.84
  6. Step 6: Final answer
    x = 42,288.72

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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.