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Finding the Fourth Proportional to 52,797.92, 79,209.12 and 15,358.88

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Solution

The fourth proportional to 52,797.92, 79,209.12 and 15,358.88 is: 23,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,797.92 : 79,209.12 = 15,358.88 : x
  2. Step 2: Convert to fraction form
    52,797.92/79,209.12 = 15,358.88/x
  3. Step 3: Cross multiply
    52,797.92x = 79,209.12 × 15,358.88
  4. Step 4: Simplify right side
    52,797.92x = 1,216,563,368.99
  5. Step 5: Solve for x
    x = 1,216,563,368.99/52,797.92
  6. Step 6: Final answer
    x = 23,041.88

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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.