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Finding the Fourth Proportional to 43,353.72, 64,962.54 and 25,813.98

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Solution

The fourth proportional to 43,353.72, 64,962.54 and 25,813.98 is: 38,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,353.72 : 64,962.54 = 25,813.98 : x
  2. Step 2: Convert to fraction form
    43,353.72/64,962.54 = 25,813.98/x
  3. Step 3: Cross multiply
    43,353.72x = 64,962.54 × 25,813.98
  4. Step 4: Simplify right side
    43,353.72x = 1,676,941,708.31
  5. Step 5: Solve for x
    x = 1,676,941,708.31/43,353.72
  6. Step 6: Final answer
    x = 38,680.46

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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.