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Finding the Fourth Proportional to 58,768.78, 88,156 and 19,325.02

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Solution

The fourth proportional to 58,768.78, 88,156 and 19,325.02 is: 28,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,768.78 : 88,156 = 19,325.02 : x
  2. Step 2: Convert to fraction form
    58,768.78/88,156 = 19,325.02/x
  3. Step 3: Cross multiply
    58,768.78x = 88,156 × 19,325.02
  4. Step 4: Simplify right side
    58,768.78x = 1,703,616,463.12
  5. Step 5: Solve for x
    x = 1,703,616,463.12/58,768.78
  6. Step 6: Final answer
    x = 28,988.46

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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.