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Finding the Fourth Proportional to 22,492.18, 33,739.18 and 7,711.25

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Solution

The fourth proportional to 22,492.18, 33,739.18 and 7,711.25 is: 11,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,492.18 : 33,739.18 = 7,711.25 : x
  2. Step 2: Convert to fraction form
    22,492.18/33,739.18 = 7,711.25/x
  3. Step 3: Cross multiply
    22,492.18x = 33,739.18 × 7,711.25
  4. Step 4: Simplify right side
    22,492.18x = 260,171,296.96
  5. Step 5: Solve for x
    x = 260,171,296.96/22,492.18
  6. Step 6: Final answer
    x = 11,567.19

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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.