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Finding the Fourth Proportional to 59,669.88, 89,495.08 and 18,116.88

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Solution

The fourth proportional to 59,669.88, 89,495.08 and 18,116.88 is: 27,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,669.88 : 89,495.08 = 18,116.88 : x
  2. Step 2: Convert to fraction form
    59,669.88/89,495.08 = 18,116.88/x
  3. Step 3: Cross multiply
    59,669.88x = 89,495.08 × 18,116.88
  4. Step 4: Simplify right side
    59,669.88x = 1,621,371,624.95
  5. Step 5: Solve for x
    x = 1,621,371,624.95/59,669.88
  6. Step 6: Final answer
    x = 27,172.36

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1.5x scale

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.