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Finding the Fourth Proportional to 8,893.17, 13,336.89 and 4,946.31

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Solution

The fourth proportional to 8,893.17, 13,336.89 and 4,946.31 is: 7,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.17 : 13,336.89 = 4,946.31 : x
  2. Step 2: Convert to fraction form
    8,893.17/13,336.89 = 4,946.31/x
  3. Step 3: Cross multiply
    8,893.17x = 13,336.89 × 4,946.31
  4. Step 4: Simplify right side
    8,893.17x = 65,968,334.30
  5. Step 5: Solve for x
    x = 65,968,334.30/8,893.17
  6. Step 6: Final answer
    x = 7,417.87

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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.