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Finding the Fourth Proportional to 9,295.35, 12,827.60 and 5,520.39

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Solution

The fourth proportional to 9,295.35, 12,827.60 and 5,520.39 is: 7,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.35 : 12,827.60 = 5,520.39 : x
  2. Step 2: Convert to fraction form
    9,295.35/12,827.60 = 5,520.39/x
  3. Step 3: Cross multiply
    9,295.35x = 12,827.60 × 5,520.39
  4. Step 4: Simplify right side
    9,295.35x = 70,813,354.76
  5. Step 5: Solve for x
    x = 70,813,354.76/9,295.35
  6. Step 6: Final answer
    x = 7,618.15

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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.