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Finding the Fourth Proportional to 5,281.88, 7,916.81 and 2,504.63

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Solution

The fourth proportional to 5,281.88, 7,916.81 and 2,504.63 is: 3,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.88 : 7,916.81 = 2,504.63 : x
  2. Step 2: Convert to fraction form
    5,281.88/7,916.81 = 2,504.63/x
  3. Step 3: Cross multiply
    5,281.88x = 7,916.81 × 2,504.63
  4. Step 4: Simplify right side
    5,281.88x = 19,828,667.31
  5. Step 5: Solve for x
    x = 19,828,667.31/5,281.88
  6. Step 6: Final answer
    x = 3,754.09

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1.5x scale

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.