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Finding the Fourth Proportional to 1,506.48, 2,078.04 and 954.48

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Solution

The fourth proportional to 1,506.48, 2,078.04 and 954.48 is: 1,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.48 : 2,078.04 = 954.48 : x
  2. Step 2: Convert to fraction form
    1,506.48/2,078.04 = 954.48/x
  3. Step 3: Cross multiply
    1,506.48x = 2,078.04 × 954.48
  4. Step 4: Simplify right side
    1,506.48x = 1,983,447.62
  5. Step 5: Solve for x
    x = 1,983,447.62/1,506.48
  6. Step 6: Final answer
    x = 1,316.61

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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.