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Finding the Fourth Proportional to 43,671.36, 65,511.92 and 15,597.92

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Solution

The fourth proportional to 43,671.36, 65,511.92 and 15,597.92 is: 23,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,671.36 : 65,511.92 = 15,597.92 : x
  2. Step 2: Convert to fraction form
    43,671.36/65,511.92 = 15,597.92/x
  3. Step 3: Cross multiply
    43,671.36x = 65,511.92 × 15,597.92
  4. Step 4: Simplify right side
    43,671.36x = 1,021,849,687.21
  5. Step 5: Solve for x
    x = 1,021,849,687.21/43,671.36
  6. Step 6: Final answer
    x = 23,398.62

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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.