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Finding the Fourth Proportional to 2,355.16, 3,532.74 and 623.77

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Solution

The fourth proportional to 2,355.16, 3,532.74 and 623.77 is: 935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.16 : 3,532.74 = 623.77 : x
  2. Step 2: Convert to fraction form
    2,355.16/3,532.74 = 623.77/x
  3. Step 3: Cross multiply
    2,355.16x = 3,532.74 × 623.77
  4. Step 4: Simplify right side
    2,355.16x = 2,203,617.23
  5. Step 5: Solve for x
    x = 2,203,617.23/2,355.16
  6. Step 6: Final answer
    x = 935.66

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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.