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Finding the Fourth Proportional to 9,295.50, 12,827.91 and 5,103.90

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Solution

The fourth proportional to 9,295.50, 12,827.91 and 5,103.90 is: 7,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.50 : 12,827.91 = 5,103.90 : x
  2. Step 2: Convert to fraction form
    9,295.50/12,827.91 = 5,103.90/x
  3. Step 3: Cross multiply
    9,295.50x = 12,827.91 × 5,103.90
  4. Step 4: Simplify right side
    9,295.50x = 65,472,369.85
  5. Step 5: Solve for x
    x = 65,472,369.85/9,295.50
  6. Step 6: Final answer
    x = 7,043.45

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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.