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Finding the Fourth Proportional to 58,662.95, 88,010.81 and 19,247.74

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Solution

The fourth proportional to 58,662.95, 88,010.81 and 19,247.74 is: 28,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,662.95 : 88,010.81 = 19,247.74 : x
  2. Step 2: Convert to fraction form
    58,662.95/88,010.81 = 19,247.74/x
  3. Step 3: Cross multiply
    58,662.95x = 88,010.81 × 19,247.74
  4. Step 4: Simplify right side
    58,662.95x = 1,694,009,016.16
  5. Step 5: Solve for x
    x = 1,694,009,016.16/58,662.95
  6. Step 6: Final answer
    x = 28,876.99

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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.