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Finding the Fourth Proportional to 2,904.54, 4,355.16 and 956.58

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Solution

The fourth proportional to 2,904.54, 4,355.16 and 956.58 is: 1,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.54 : 4,355.16 = 956.58 : x
  2. Step 2: Convert to fraction form
    2,904.54/4,355.16 = 956.58/x
  3. Step 3: Cross multiply
    2,904.54x = 4,355.16 × 956.58
  4. Step 4: Simplify right side
    2,904.54x = 4,166,058.95
  5. Step 5: Solve for x
    x = 4,166,058.95/2,904.54
  6. Step 6: Final answer
    x = 1,434.33

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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.