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Finding the Fourth Proportional to 12,292.48, 16,963.63 and 6,703.48

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Solution

The fourth proportional to 12,292.48, 16,963.63 and 6,703.48 is: 9,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.48 : 16,963.63 = 6,703.48 : x
  2. Step 2: Convert to fraction form
    12,292.48/16,963.63 = 6,703.48/x
  3. Step 3: Cross multiply
    12,292.48x = 16,963.63 × 6,703.48
  4. Step 4: Simplify right side
    12,292.48x = 113,715,354.43
  5. Step 5: Solve for x
    x = 113,715,354.43/12,292.48
  6. Step 6: Final answer
    x = 9,250.81

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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.