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Finding the Fourth Proportional to 58,990.90, 88,485.26 and 14,617.76

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Solution

The fourth proportional to 58,990.90, 88,485.26 and 14,617.76 is: 21,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,990.90 : 88,485.26 = 14,617.76 : x
  2. Step 2: Convert to fraction form
    58,990.90/88,485.26 = 14,617.76/x
  3. Step 3: Cross multiply
    58,990.90x = 88,485.26 × 14,617.76
  4. Step 4: Simplify right side
    58,990.90x = 1,293,456,294.22
  5. Step 5: Solve for x
    x = 1,293,456,294.22/58,990.90
  6. Step 6: Final answer
    x = 21,926.37

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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.