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Finding the Fourth Proportional to 8,893.01, 12,274.80 and 5,533.82

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Solution

The fourth proportional to 8,893.01, 12,274.80 and 5,533.82 is: 7,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.01 : 12,274.80 = 5,533.82 : x
  2. Step 2: Convert to fraction form
    8,893.01/12,274.80 = 5,533.82/x
  3. Step 3: Cross multiply
    8,893.01x = 12,274.80 × 5,533.82
  4. Step 4: Simplify right side
    8,893.01x = 67,926,472.36
  5. Step 5: Solve for x
    x = 67,926,472.36/8,893.01
  6. Step 6: Final answer
    x = 7,638.19

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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.