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Finding the Fourth Proportional to 2,904.10, 4,356.62 and 955.64

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Solution

The fourth proportional to 2,904.10, 4,356.62 and 955.64 is: 1,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.10 : 4,356.62 = 955.64 : x
  2. Step 2: Convert to fraction form
    2,904.10/4,356.62 = 955.64/x
  3. Step 3: Cross multiply
    2,904.10x = 4,356.62 × 955.64
  4. Step 4: Simplify right side
    2,904.10x = 4,163,360.34
  5. Step 5: Solve for x
    x = 4,163,360.34/2,904.10
  6. Step 6: Final answer
    x = 1,433.61

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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.