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Finding the Fourth Proportional to 8,753.63, 12,076.18 and 5,565.22

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Solution

The fourth proportional to 8,753.63, 12,076.18 and 5,565.22 is: 7,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.63 : 12,076.18 = 5,565.22 : x
  2. Step 2: Convert to fraction form
    8,753.63/12,076.18 = 5,565.22/x
  3. Step 3: Cross multiply
    8,753.63x = 12,076.18 × 5,565.22
  4. Step 4: Simplify right side
    8,753.63x = 67,206,554.36
  5. Step 5: Solve for x
    x = 67,206,554.36/8,753.63
  6. Step 6: Final answer
    x = 7,677.57

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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.