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Finding the Fourth Proportional to 59,835.30, 89,752.92 and 28,234.94

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Solution

The fourth proportional to 59,835.30, 89,752.92 and 28,234.94 is: 42,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,835.30 : 89,752.92 = 28,234.94 : x
  2. Step 2: Convert to fraction form
    59,835.30/89,752.92 = 28,234.94/x
  3. Step 3: Cross multiply
    59,835.30x = 89,752.92 × 28,234.94
  4. Step 4: Simplify right side
    59,835.30x = 2,534,168,311.02
  5. Step 5: Solve for x
    x = 2,534,168,311.02/59,835.30
  6. Step 6: Final answer
    x = 42,352.40

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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.