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Finding the Fourth Proportional to 52,837.92, 79,256.88 and 28,213.92

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Solution

The fourth proportional to 52,837.92, 79,256.88 and 28,213.92 is: 42,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,837.92 : 79,256.88 = 28,213.92 : x
  2. Step 2: Convert to fraction form
    52,837.92/79,256.88 = 28,213.92/x
  3. Step 3: Cross multiply
    52,837.92x = 79,256.88 × 28,213.92
  4. Step 4: Simplify right side
    52,837.92x = 2,236,147,271.77
  5. Step 5: Solve for x
    x = 2,236,147,271.77/52,837.92
  6. Step 6: Final answer
    x = 42,320.88

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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.