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Finding the Fourth Proportional to 10,659.96, 15,994.94 and 6,710.31

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Solution

The fourth proportional to 10,659.96, 15,994.94 and 6,710.31 is: 10,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.96 : 15,994.94 = 6,710.31 : x
  2. Step 2: Convert to fraction form
    10,659.96/15,994.94 = 6,710.31/x
  3. Step 3: Cross multiply
    10,659.96x = 15,994.94 × 6,710.31
  4. Step 4: Simplify right side
    10,659.96x = 107,330,972.28
  5. Step 5: Solve for x
    x = 107,330,972.28/10,659.96
  6. Step 6: Final answer
    x = 10,068.61

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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.