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Finding the Fourth Proportional to 59,776.06, 89,643.12 and 17,644.90

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Solution

The fourth proportional to 59,776.06, 89,643.12 and 17,644.90 is: 26,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,776.06 : 89,643.12 = 17,644.90 : x
  2. Step 2: Convert to fraction form
    59,776.06/89,643.12 = 17,644.90/x
  3. Step 3: Cross multiply
    59,776.06x = 89,643.12 × 17,644.90
  4. Step 4: Simplify right side
    59,776.06x = 1,581,743,888.09
  5. Step 5: Solve for x
    x = 1,581,743,888.09/59,776.06
  6. Step 6: Final answer
    x = 26,461.16

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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.