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Finding the Fourth Proportional to 4,974.88, 7,461.36 and 4,006.60

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Solution

The fourth proportional to 4,974.88, 7,461.36 and 4,006.60 is: 6,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.88 : 7,461.36 = 4,006.60 : x
  2. Step 2: Convert to fraction form
    4,974.88/7,461.36 = 4,006.60/x
  3. Step 3: Cross multiply
    4,974.88x = 7,461.36 × 4,006.60
  4. Step 4: Simplify right side
    4,974.88x = 29,894,684.98
  5. Step 5: Solve for x
    x = 29,894,684.98/4,974.88
  6. Step 6: Final answer
    x = 6,009.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.