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Finding the Fourth Proportional to 22,533.30, 33,800.74 and 7,742.12

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Solution

The fourth proportional to 22,533.30, 33,800.74 and 7,742.12 is: 11,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,533.30 : 33,800.74 = 7,742.12 : x
  2. Step 2: Convert to fraction form
    22,533.30/33,800.74 = 7,742.12/x
  3. Step 3: Cross multiply
    22,533.30x = 33,800.74 × 7,742.12
  4. Step 4: Simplify right side
    22,533.30x = 261,689,385.17
  5. Step 5: Solve for x
    x = 261,689,385.17/22,533.30
  6. Step 6: Final answer
    x = 11,613.45

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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.