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Finding the Fourth Proportional to 59,862.63, 89,786.61 and 15,485.70

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Solution

The fourth proportional to 59,862.63, 89,786.61 and 15,485.70 is: 23,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,862.63 : 89,786.61 = 15,485.70 : x
  2. Step 2: Convert to fraction form
    59,862.63/89,786.61 = 15,485.70/x
  3. Step 3: Cross multiply
    59,862.63x = 89,786.61 × 15,485.70
  4. Step 4: Simplify right side
    59,862.63x = 1,390,408,506.48
  5. Step 5: Solve for x
    x = 1,390,408,506.48/59,862.63
  6. Step 6: Final answer
    x = 23,226.65

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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.