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Finding the Fourth Proportional to 18,352.76, 25,331.79 and 10,801.50

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Solution

The fourth proportional to 18,352.76, 25,331.79 and 10,801.50 is: 14,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.76 : 25,331.79 = 10,801.50 : x
  2. Step 2: Convert to fraction form
    18,352.76/25,331.79 = 10,801.50/x
  3. Step 3: Cross multiply
    18,352.76x = 25,331.79 × 10,801.50
  4. Step 4: Simplify right side
    18,352.76x = 273,621,329.69
  5. Step 5: Solve for x
    x = 273,621,329.69/18,352.76
  6. Step 6: Final answer
    x = 14,909.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.