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Finding the Fourth Proportional to 59,480.55, 89,220.84 and 20,034.36

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Solution

The fourth proportional to 59,480.55, 89,220.84 and 20,034.36 is: 30,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,480.55 : 89,220.84 = 20,034.36 : x
  2. Step 2: Convert to fraction form
    59,480.55/89,220.84 = 20,034.36/x
  3. Step 3: Cross multiply
    59,480.55x = 89,220.84 × 20,034.36
  4. Step 4: Simplify right side
    59,480.55x = 1,787,482,428.06
  5. Step 5: Solve for x
    x = 1,787,482,428.06/59,480.55
  6. Step 6: Final answer
    x = 30,051.55

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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.