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Finding the Fourth Proportional to 4,959.34, 7,426.86 and 2,356

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Solution

The fourth proportional to 4,959.34, 7,426.86 and 2,356 is: 3,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.34 : 7,426.86 = 2,356 : x
  2. Step 2: Convert to fraction form
    4,959.34/7,426.86 = 2,356/x
  3. Step 3: Cross multiply
    4,959.34x = 7,426.86 × 2,356
  4. Step 4: Simplify right side
    4,959.34x = 17,497,682.16
  5. Step 5: Solve for x
    x = 17,497,682.16/4,959.34
  6. Step 6: Final answer
    x = 3,528.23

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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.