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Finding the Fourth Proportional to 8,425.02, 11,627.04 and 4,648.20

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Solution

The fourth proportional to 8,425.02, 11,627.04 and 4,648.20 is: 6,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.02 : 11,627.04 = 4,648.20 : x
  2. Step 2: Convert to fraction form
    8,425.02/11,627.04 = 4,648.20/x
  3. Step 3: Cross multiply
    8,425.02x = 11,627.04 × 4,648.20
  4. Step 4: Simplify right side
    8,425.02x = 54,044,807.33
  5. Step 5: Solve for x
    x = 54,044,807.33/8,425.02
  6. Step 6: Final answer
    x = 6,414.80

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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.