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Finding the Fourth Proportional to 8,588.40, 11,854.62 and 5,004.42

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Solution

The fourth proportional to 8,588.40, 11,854.62 and 5,004.42 is: 6,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.40 : 11,854.62 = 5,004.42 : x
  2. Step 2: Convert to fraction form
    8,588.40/11,854.62 = 5,004.42/x
  3. Step 3: Cross multiply
    8,588.40x = 11,854.62 × 5,004.42
  4. Step 4: Simplify right side
    8,588.40x = 59,325,497.42
  5. Step 5: Solve for x
    x = 59,325,497.42/8,588.40
  6. Step 6: Final answer
    x = 6,907.63

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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.