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Finding the Fourth Proportional to 52,968.68, 79,463.94 and 15,529.98

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Solution

The fourth proportional to 52,968.68, 79,463.94 and 15,529.98 is: 23,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,968.68 : 79,463.94 = 15,529.98 : x
  2. Step 2: Convert to fraction form
    52,968.68/79,463.94 = 15,529.98/x
  3. Step 3: Cross multiply
    52,968.68x = 79,463.94 × 15,529.98
  4. Step 4: Simplify right side
    52,968.68x = 1,234,073,398.92
  5. Step 5: Solve for x
    x = 1,234,073,398.92/52,968.68
  6. Step 6: Final answer
    x = 23,298.17

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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.