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Finding the Fourth Proportional to 59,763.08, 89,642.46 and 18,209

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Solution

The fourth proportional to 59,763.08, 89,642.46 and 18,209 is: 27,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,763.08 : 89,642.46 = 18,209 : x
  2. Step 2: Convert to fraction form
    59,763.08/89,642.46 = 18,209/x
  3. Step 3: Cross multiply
    59,763.08x = 89,642.46 × 18,209
  4. Step 4: Simplify right side
    59,763.08x = 1,632,299,554.14
  5. Step 5: Solve for x
    x = 1,632,299,554.14/59,763.08
  6. Step 6: Final answer
    x = 27,312.84

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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.