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Finding the Fourth Proportional to 22,355.53, 33,533.16 and 5,715.54

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Solution

The fourth proportional to 22,355.53, 33,533.16 and 5,715.54 is: 8,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.53 : 33,533.16 = 5,715.54 : x
  2. Step 2: Convert to fraction form
    22,355.53/33,533.16 = 5,715.54/x
  3. Step 3: Cross multiply
    22,355.53x = 33,533.16 × 5,715.54
  4. Step 4: Simplify right side
    22,355.53x = 191,660,117.31
  5. Step 5: Solve for x
    x = 191,660,117.31/22,355.53
  6. Step 6: Final answer
    x = 8,573.28

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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.