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Finding the Fourth Proportional to 1,658.48, 2,288.32 and 995.04

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Solution

The fourth proportional to 1,658.48, 2,288.32 and 995.04 is: 1,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.48 : 2,288.32 = 995.04 : x
  2. Step 2: Convert to fraction form
    1,658.48/2,288.32 = 995.04/x
  3. Step 3: Cross multiply
    1,658.48x = 2,288.32 × 995.04
  4. Step 4: Simplify right side
    1,658.48x = 2,276,969.93
  5. Step 5: Solve for x
    x = 2,276,969.93/1,658.48
  6. Step 6: Final answer
    x = 1,372.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.