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Finding the Fourth Proportional to 59,798.48, 89,712.44 and 17,678.36

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Solution

The fourth proportional to 59,798.48, 89,712.44 and 17,678.36 is: 26,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,798.48 : 89,712.44 = 17,678.36 : x
  2. Step 2: Convert to fraction form
    59,798.48/89,712.44 = 17,678.36/x
  3. Step 3: Cross multiply
    59,798.48x = 89,712.44 × 17,678.36
  4. Step 4: Simplify right side
    59,798.48x = 1,585,968,273.84
  5. Step 5: Solve for x
    x = 1,585,968,273.84/59,798.48
  6. Step 6: Final answer
    x = 26,521.88

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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.