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Finding the Fourth Proportional to 1,651.92, 2,477.10 and 555.96

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Solution

The fourth proportional to 1,651.92, 2,477.10 and 555.96 is: 833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.92 : 2,477.10 = 555.96 : x
  2. Step 2: Convert to fraction form
    1,651.92/2,477.10 = 555.96/x
  3. Step 3: Cross multiply
    1,651.92x = 2,477.10 × 555.96
  4. Step 4: Simplify right side
    1,651.92x = 1,377,168.52
  5. Step 5: Solve for x
    x = 1,377,168.52/1,651.92
  6. Step 6: Final answer
    x = 833.68

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Double scale
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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.