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Finding the Fourth Proportional to 58,686.99, 88,036.83 and 18,696.54

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Solution

The fourth proportional to 58,686.99, 88,036.83 and 18,696.54 is: 28,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,686.99 : 88,036.83 = 18,696.54 : x
  2. Step 2: Convert to fraction form
    58,686.99/88,036.83 = 18,696.54/x
  3. Step 3: Cross multiply
    58,686.99x = 88,036.83 × 18,696.54
  4. Step 4: Simplify right side
    58,686.99x = 1,645,984,425.90
  5. Step 5: Solve for x
    x = 1,645,984,425.90/58,686.99
  6. Step 6: Final answer
    x = 28,046.84

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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.