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Finding the Fourth Proportional to 22,130.55, 33,192.18 and 7,340.99

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Solution

The fourth proportional to 22,130.55, 33,192.18 and 7,340.99 is: 11,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.55 : 33,192.18 = 7,340.99 : x
  2. Step 2: Convert to fraction form
    22,130.55/33,192.18 = 7,340.99/x
  3. Step 3: Cross multiply
    22,130.55x = 33,192.18 × 7,340.99
  4. Step 4: Simplify right side
    22,130.55x = 243,663,295.50
  5. Step 5: Solve for x
    x = 243,663,295.50/22,130.55
  6. Step 6: Final answer
    x = 11,010.27

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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.