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Finding the Fourth Proportional to 14,867.40, 22,295.70 and 7,469.40

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Solution

The fourth proportional to 14,867.40, 22,295.70 and 7,469.40 is: 11,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867.40 : 22,295.70 = 7,469.40 : x
  2. Step 2: Convert to fraction form
    14,867.40/22,295.70 = 7,469.40/x
  3. Step 3: Cross multiply
    14,867.40x = 22,295.70 × 7,469.40
  4. Step 4: Simplify right side
    14,867.40x = 166,535,501.58
  5. Step 5: Solve for x
    x = 166,535,501.58/14,867.40
  6. Step 6: Final answer
    x = 11,201.39

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1.5x scale

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.