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Finding the Fourth Proportional to 4,870.53, 6,723.45 and 2,881.17

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Solution

The fourth proportional to 4,870.53, 6,723.45 and 2,881.17 is: 3,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.53 : 6,723.45 = 2,881.17 : x
  2. Step 2: Convert to fraction form
    4,870.53/6,723.45 = 2,881.17/x
  3. Step 3: Cross multiply
    4,870.53x = 6,723.45 × 2,881.17
  4. Step 4: Simplify right side
    4,870.53x = 19,371,402.44
  5. Step 5: Solve for x
    x = 19,371,402.44/4,870.53
  6. Step 6: Final answer
    x = 3,977.27

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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.