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Finding the Fourth Proportional to 7,468.72, 11,203.65 and 1,922.11

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Solution

The fourth proportional to 7,468.72, 11,203.65 and 1,922.11 is: 2,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.72 : 11,203.65 = 1,922.11 : x
  2. Step 2: Convert to fraction form
    7,468.72/11,203.65 = 1,922.11/x
  3. Step 3: Cross multiply
    7,468.72x = 11,203.65 × 1,922.11
  4. Step 4: Simplify right side
    7,468.72x = 21,534,698.47
  5. Step 5: Solve for x
    x = 21,534,698.47/7,468.72
  6. Step 6: Final answer
    x = 2,883.32

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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.