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Finding the Fourth Proportional to 1,655.92, 2,484.42 and 833.77

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Solution

The fourth proportional to 1,655.92, 2,484.42 and 833.77 is: 1,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.92 : 2,484.42 = 833.77 : x
  2. Step 2: Convert to fraction form
    1,655.92/2,484.42 = 833.77/x
  3. Step 3: Cross multiply
    1,655.92x = 2,484.42 × 833.77
  4. Step 4: Simplify right side
    1,655.92x = 2,071,434.86
  5. Step 5: Solve for x
    x = 2,071,434.86/1,655.92
  6. Step 6: Final answer
    x = 1,250.93

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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.