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Finding the Fourth Proportional to 52,624.17, 72,619.20 and 28,751.67

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Solution

The fourth proportional to 52,624.17, 72,619.20 and 28,751.67 is: 39,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,624.17 : 72,619.20 = 28,751.67 : x
  2. Step 2: Convert to fraction form
    52,624.17/72,619.20 = 28,751.67/x
  3. Step 3: Cross multiply
    52,624.17x = 72,619.20 × 28,751.67
  4. Step 4: Simplify right side
    52,624.17x = 2,087,923,274.06
  5. Step 5: Solve for x
    x = 2,087,923,274.06/52,624.17
  6. Step 6: Final answer
    x = 39,676.13

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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.