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Finding the Fourth Proportional to 8,994.31, 13,498.53 and 6,240.31

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Solution

The fourth proportional to 8,994.31, 13,498.53 and 6,240.31 is: 9,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.31 : 13,498.53 = 6,240.31 : x
  2. Step 2: Convert to fraction form
    8,994.31/13,498.53 = 6,240.31/x
  3. Step 3: Cross multiply
    8,994.31x = 13,498.53 × 6,240.31
  4. Step 4: Simplify right side
    8,994.31x = 84,235,011.74
  5. Step 5: Solve for x
    x = 84,235,011.74/8,994.31
  6. Step 6: Final answer
    x = 9,365.37

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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.