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Finding the Fourth Proportional to 7,894.02, 10,893.84 and 4,357.23

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Solution

The fourth proportional to 7,894.02, 10,893.84 and 4,357.23 is: 6,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.02 : 10,893.84 = 4,357.23 : x
  2. Step 2: Convert to fraction form
    7,894.02/10,893.84 = 4,357.23/x
  3. Step 3: Cross multiply
    7,894.02x = 10,893.84 × 4,357.23
  4. Step 4: Simplify right side
    7,894.02x = 47,466,982.80
  5. Step 5: Solve for x
    x = 47,466,982.80/7,894.02
  6. Step 6: Final answer
    x = 6,013.03

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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.