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Finding the Fourth Proportional to 52,624.80, 72,623.25 and 28,752.98

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Solution

The fourth proportional to 52,624.80, 72,623.25 and 28,752.98 is: 39,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,624.80 : 72,623.25 = 28,752.98 : x
  2. Step 2: Convert to fraction form
    52,624.80/72,623.25 = 28,752.98/x
  3. Step 3: Cross multiply
    52,624.80x = 72,623.25 × 28,752.98
  4. Step 4: Simplify right side
    52,624.80x = 2,088,134,491.67
  5. Step 5: Solve for x
    x = 2,088,134,491.67/52,624.80
  6. Step 6: Final answer
    x = 39,679.67

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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.