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Finding the Fourth Proportional to 8,005.40, 11,047.10 and 4,468.54

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Solution

The fourth proportional to 8,005.40, 11,047.10 and 4,468.54 is: 6,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.40 : 11,047.10 = 4,468.54 : x
  2. Step 2: Convert to fraction form
    8,005.40/11,047.10 = 4,468.54/x
  3. Step 3: Cross multiply
    8,005.40x = 11,047.10 × 4,468.54
  4. Step 4: Simplify right side
    8,005.40x = 49,364,408.23
  5. Step 5: Solve for x
    x = 49,364,408.23/8,005.40
  6. Step 6: Final answer
    x = 6,166.39

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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.