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Finding the Fourth Proportional to 43,572, 60,129.36 and 23,700

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Solution

The fourth proportional to 43,572, 60,129.36 and 23,700 is: 32,706

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,572 : 60,129.36 = 23,700 : x
  2. Step 2: Convert to fraction form
    43,572/60,129.36 = 23,700/x
  3. Step 3: Cross multiply
    43,572x = 60,129.36 × 23,700
  4. Step 4: Simplify right side
    43,572x = 1,425,065,832
  5. Step 5: Solve for x
    x = 1,425,065,832/43,572
  6. Step 6: Final answer
    x = 32,706

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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.