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Finding the Fourth Proportional to 10,584.10, 14,572.81 and 8,987.39

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Solution

The fourth proportional to 10,584.10, 14,572.81 and 8,987.39 is: 12,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584.10 : 14,572.81 = 8,987.39 : x
  2. Step 2: Convert to fraction form
    10,584.10/14,572.81 = 8,987.39/x
  3. Step 3: Cross multiply
    10,584.10x = 14,572.81 × 8,987.39
  4. Step 4: Simplify right side
    10,584.10x = 130,971,519.88
  5. Step 5: Solve for x
    x = 130,971,519.88/10,584.10
  6. Step 6: Final answer
    x = 12,374.36

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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.