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Finding the Fourth Proportional to 52,496.10, 72,443.70 and 28,622.70

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Solution

The fourth proportional to 52,496.10, 72,443.70 and 28,622.70 is: 39,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,496.10 : 72,443.70 = 28,622.70 : x
  2. Step 2: Convert to fraction form
    52,496.10/72,443.70 = 28,622.70/x
  3. Step 3: Cross multiply
    52,496.10x = 72,443.70 × 28,622.70
  4. Step 4: Simplify right side
    52,496.10x = 2,073,534,291.99
  5. Step 5: Solve for x
    x = 2,073,534,291.99/52,496.10
  6. Step 6: Final answer
    x = 39,498.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.