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Finding the Fourth Proportional to 8,553.96, 11,803.32 and 4,776.54

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Solution

The fourth proportional to 8,553.96, 11,803.32 and 4,776.54 is: 6,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.96 : 11,803.32 = 4,776.54 : x
  2. Step 2: Convert to fraction form
    8,553.96/11,803.32 = 4,776.54/x
  3. Step 3: Cross multiply
    8,553.96x = 11,803.32 × 4,776.54
  4. Step 4: Simplify right side
    8,553.96x = 56,379,030.11
  5. Step 5: Solve for x
    x = 56,379,030.11/8,553.96
  6. Step 6: Final answer
    x = 6,590.99

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Half scale
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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.