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Finding the Fourth Proportional to 8,606.70, 11,877.60 and 5,582.52

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Solution

The fourth proportional to 8,606.70, 11,877.60 and 5,582.52 is: 7,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.70 : 11,877.60 = 5,582.52 : x
  2. Step 2: Convert to fraction form
    8,606.70/11,877.60 = 5,582.52/x
  3. Step 3: Cross multiply
    8,606.70x = 11,877.60 × 5,582.52
  4. Step 4: Simplify right side
    8,606.70x = 66,306,939.55
  5. Step 5: Solve for x
    x = 66,306,939.55/8,606.70
  6. Step 6: Final answer
    x = 7,704.11

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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.