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Finding the Fourth Proportional to 8,532.77, 11,775.19 and 4,755.89

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Solution

The fourth proportional to 8,532.77, 11,775.19 and 4,755.89 is: 6,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.77 : 11,775.19 = 4,755.89 : x
  2. Step 2: Convert to fraction form
    8,532.77/11,775.19 = 4,755.89/x
  3. Step 3: Cross multiply
    8,532.77x = 11,775.19 × 4,755.89
  4. Step 4: Simplify right side
    8,532.77x = 56,001,468.60
  5. Step 5: Solve for x
    x = 56,001,468.60/8,532.77
  6. Step 6: Final answer
    x = 6,563.11

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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.