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Finding the Fourth Proportional to 8,560.56, 12,843.29 and 5,053.77

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Solution

The fourth proportional to 8,560.56, 12,843.29 and 5,053.77 is: 7,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.56 : 12,843.29 = 5,053.77 : x
  2. Step 2: Convert to fraction form
    8,560.56/12,843.29 = 5,053.77/x
  3. Step 3: Cross multiply
    8,560.56x = 12,843.29 × 5,053.77
  4. Step 4: Simplify right side
    8,560.56x = 64,907,046.34
  5. Step 5: Solve for x
    x = 64,907,046.34/8,560.56
  6. Step 6: Final answer
    x = 7,582.10

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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.