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Finding the Fourth Proportional to 9,342.90, 13,998.15 and 8,046.90

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Solution

The fourth proportional to 9,342.90, 13,998.15 and 8,046.90 is: 12,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.90 : 13,998.15 = 8,046.90 : x
  2. Step 2: Convert to fraction form
    9,342.90/13,998.15 = 8,046.90/x
  3. Step 3: Cross multiply
    9,342.90x = 13,998.15 × 8,046.90
  4. Step 4: Simplify right side
    9,342.90x = 112,641,713.24
  5. Step 5: Solve for x
    x = 112,641,713.24/9,342.90
  6. Step 6: Final answer
    x = 12,056.40

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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.