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Finding the Fourth Proportional to 8,893.68, 12,266.28 and 8,297.52

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Solution

The fourth proportional to 8,893.68, 12,266.28 and 8,297.52 is: 11,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.68 : 12,266.28 = 8,297.52 : x
  2. Step 2: Convert to fraction form
    8,893.68/12,266.28 = 8,297.52/x
  3. Step 3: Cross multiply
    8,893.68x = 12,266.28 × 8,297.52
  4. Step 4: Simplify right side
    8,893.68x = 101,779,703.63
  5. Step 5: Solve for x
    x = 101,779,703.63/8,893.68
  6. Step 6: Final answer
    x = 11,444.05

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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.