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Finding the Fourth Proportional to 8,755.63, 12,082.84 and 4,776.81

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Solution

The fourth proportional to 8,755.63, 12,082.84 and 4,776.81 is: 6,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.63 : 12,082.84 = 4,776.81 : x
  2. Step 2: Convert to fraction form
    8,755.63/12,082.84 = 4,776.81/x
  3. Step 3: Cross multiply
    8,755.63x = 12,082.84 × 4,776.81
  4. Step 4: Simplify right side
    8,755.63x = 57,717,373.69
  5. Step 5: Solve for x
    x = 57,717,373.69/8,755.63
  6. Step 6: Final answer
    x = 6,592.03

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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.