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Finding the Fourth Proportional to 2,355.32, 3,533.02 and 623.94

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Solution

The fourth proportional to 2,355.32, 3,533.02 and 623.94 is: 935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.32 : 3,533.02 = 623.94 : x
  2. Step 2: Convert to fraction form
    2,355.32/3,533.02 = 623.94/x
  3. Step 3: Cross multiply
    2,355.32x = 3,533.02 × 623.94
  4. Step 4: Simplify right side
    2,355.32x = 2,204,392.50
  5. Step 5: Solve for x
    x = 2,204,392.50/2,355.32
  6. Step 6: Final answer
    x = 935.92

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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.