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Finding the Fourth Proportional to 4,650.14, 6,417.18 and 2,787.14

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Solution

The fourth proportional to 4,650.14, 6,417.18 and 2,787.14 is: 3,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.14 : 6,417.18 = 2,787.14 : x
  2. Step 2: Convert to fraction form
    4,650.14/6,417.18 = 2,787.14/x
  3. Step 3: Cross multiply
    4,650.14x = 6,417.18 × 2,787.14
  4. Step 4: Simplify right side
    4,650.14x = 17,885,579.07
  5. Step 5: Solve for x
    x = 17,885,579.07/4,650.14
  6. Step 6: Final answer
    x = 3,846.25

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1.5x scale

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.