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Finding the Fourth Proportional to 58,979, 88,468.50 and 15,203

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Solution

The fourth proportional to 58,979, 88,468.50 and 15,203 is: 22,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,979 : 88,468.50 = 15,203 : x
  2. Step 2: Convert to fraction form
    58,979/88,468.50 = 15,203/x
  3. Step 3: Cross multiply
    58,979x = 88,468.50 × 15,203
  4. Step 4: Simplify right side
    58,979x = 1,344,986,605.50
  5. Step 5: Solve for x
    x = 1,344,986,605.50/58,979
  6. Step 6: Final answer
    x = 22,804.50

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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.