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Finding the Fourth Proportional to 43,599.48, 65,310.45 and 39,966.63

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Solution

The fourth proportional to 43,599.48, 65,310.45 and 39,966.63 is: 59,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,599.48 : 65,310.45 = 39,966.63 : x
  2. Step 2: Convert to fraction form
    43,599.48/65,310.45 = 39,966.63/x
  3. Step 3: Cross multiply
    43,599.48x = 65,310.45 × 39,966.63
  4. Step 4: Simplify right side
    43,599.48x = 2,610,238,590.28
  5. Step 5: Solve for x
    x = 2,610,238,590.28/43,599.48
  6. Step 6: Final answer
    x = 59,868.57

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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.