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Finding the Fourth Proportional to 43,799.72, 65,701.02 and 12,635.24

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Solution

The fourth proportional to 43,799.72, 65,701.02 and 12,635.24 is: 18,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,799.72 : 65,701.02 = 12,635.24 : x
  2. Step 2: Convert to fraction form
    43,799.72/65,701.02 = 12,635.24/x
  3. Step 3: Cross multiply
    43,799.72x = 65,701.02 × 12,635.24
  4. Step 4: Simplify right side
    43,799.72x = 830,148,155.94
  5. Step 5: Solve for x
    x = 830,148,155.94/43,799.72
  6. Step 6: Final answer
    x = 18,953.28

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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.