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Finding the Fourth Proportional to 12,248.50, 16,902.94 and 6,659.50

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Solution

The fourth proportional to 12,248.50, 16,902.94 and 6,659.50 is: 9,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.50 : 16,902.94 = 6,659.50 : x
  2. Step 2: Convert to fraction form
    12,248.50/16,902.94 = 6,659.50/x
  3. Step 3: Cross multiply
    12,248.50x = 16,902.94 × 6,659.50
  4. Step 4: Simplify right side
    12,248.50x = 112,565,128.93
  5. Step 5: Solve for x
    x = 112,565,128.93/12,248.50
  6. Step 6: Final answer
    x = 9,190.12

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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.