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Finding the Fourth Proportional to 4,782.17, 6,599.31 and 2,919.17

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Solution

The fourth proportional to 4,782.17, 6,599.31 and 2,919.17 is: 4,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.17 : 6,599.31 = 2,919.17 : x
  2. Step 2: Convert to fraction form
    4,782.17/6,599.31 = 2,919.17/x
  3. Step 3: Cross multiply
    4,782.17x = 6,599.31 × 2,919.17
  4. Step 4: Simplify right side
    4,782.17x = 19,264,507.77
  5. Step 5: Solve for x
    x = 19,264,507.77/4,782.17
  6. Step 6: Final answer
    x = 4,028.40

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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.