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Finding the Fourth Proportional to 8,555.37, 11,813.10 and 6,562.77

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Solution

The fourth proportional to 8,555.37, 11,813.10 and 6,562.77 is: 9,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.37 : 11,813.10 = 6,562.77 : x
  2. Step 2: Convert to fraction form
    8,555.37/11,813.10 = 6,562.77/x
  3. Step 3: Cross multiply
    8,555.37x = 11,813.10 × 6,562.77
  4. Step 4: Simplify right side
    8,555.37x = 77,526,658.29
  5. Step 5: Solve for x
    x = 77,526,658.29/8,555.37
  6. Step 6: Final answer
    x = 9,061.75

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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.