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Finding the Fourth Proportional to 64,426.96, 88,882.96 and 43,213.04

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Solution

The fourth proportional to 64,426.96, 88,882.96 and 43,213.04 is: 59,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,426.96 : 88,882.96 = 43,213.04 : x
  2. Step 2: Convert to fraction form
    64,426.96/88,882.96 = 43,213.04/x
  3. Step 3: Cross multiply
    64,426.96x = 88,882.96 × 43,213.04
  4. Step 4: Simplify right side
    64,426.96x = 3,840,902,905.80
  5. Step 5: Solve for x
    x = 3,840,902,905.80/64,426.96
  6. Step 6: Final answer
    x = 59,616.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.