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Finding the Fourth Proportional to 59,659, 89,489.04 and 18,106

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Solution

The fourth proportional to 59,659, 89,489.04 and 18,106 is: 27,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,659 : 89,489.04 = 18,106 : x
  2. Step 2: Convert to fraction form
    59,659/89,489.04 = 18,106/x
  3. Step 3: Cross multiply
    59,659x = 89,489.04 × 18,106
  4. Step 4: Simplify right side
    59,659x = 1,620,288,558.24
  5. Step 5: Solve for x
    x = 1,620,288,558.24/59,659
  6. Step 6: Final answer
    x = 27,159.16

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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.