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Finding the Fourth Proportional to 52,344, 78,536.98 and 19,066.36

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Solution

The fourth proportional to 52,344, 78,536.98 and 19,066.36 is: 28,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,344 : 78,536.98 = 19,066.36 : x
  2. Step 2: Convert to fraction form
    52,344/78,536.98 = 19,066.36/x
  3. Step 3: Cross multiply
    52,344x = 78,536.98 × 19,066.36
  4. Step 4: Simplify right side
    52,344x = 1,497,414,333.99
  5. Step 5: Solve for x
    x = 1,497,414,333.99/52,344
  6. Step 6: Final answer
    x = 28,607.18

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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.