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Finding the Fourth Proportional to 8,551.85, 11,799.47 and 5,014.38

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Solution

The fourth proportional to 8,551.85, 11,799.47 and 5,014.38 is: 6,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.85 : 11,799.47 = 5,014.38 : x
  2. Step 2: Convert to fraction form
    8,551.85/11,799.47 = 5,014.38/x
  3. Step 3: Cross multiply
    8,551.85x = 11,799.47 × 5,014.38
  4. Step 4: Simplify right side
    8,551.85x = 59,167,038.91
  5. Step 5: Solve for x
    x = 59,167,038.91/8,551.85
  6. Step 6: Final answer
    x = 6,918.62

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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.