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Finding the Fourth Proportional to 59,507.80, 89,263.82 and 20,065.25

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Solution

The fourth proportional to 59,507.80, 89,263.82 and 20,065.25 is: 30,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,507.80 : 89,263.82 = 20,065.25 : x
  2. Step 2: Convert to fraction form
    59,507.80/89,263.82 = 20,065.25/x
  3. Step 3: Cross multiply
    59,507.80x = 89,263.82 × 20,065.25
  4. Step 4: Simplify right side
    59,507.80x = 1,791,101,137.58
  5. Step 5: Solve for x
    x = 1,791,101,137.58/59,507.80
  6. Step 6: Final answer
    x = 30,098.60

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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.