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Finding the Fourth Proportional to 52,625.76, 78,819.54 and 36,900.54

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Solution

The fourth proportional to 52,625.76, 78,819.54 and 36,900.54 is: 55,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,625.76 : 78,819.54 = 36,900.54 : x
  2. Step 2: Convert to fraction form
    52,625.76/78,819.54 = 36,900.54/x
  3. Step 3: Cross multiply
    52,625.76x = 78,819.54 × 36,900.54
  4. Step 4: Simplify right side
    52,625.76x = 2,908,483,588.55
  5. Step 5: Solve for x
    x = 2,908,483,588.55/52,625.76
  6. Step 6: Final answer
    x = 55,267.30

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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.