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Finding the Fourth Proportional to 6,364.59, 8,786.00 and 5,510.45

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Solution

The fourth proportional to 6,364.59, 8,786.00 and 5,510.45 is: 7,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.59 : 8,786.00 = 5,510.45 : x
  2. Step 2: Convert to fraction form
    6,364.59/8,786.00 = 5,510.45/x
  3. Step 3: Cross multiply
    6,364.59x = 8,786.00 × 5,510.45
  4. Step 4: Simplify right side
    6,364.59x = 48,414,742.22
  5. Step 5: Solve for x
    x = 48,414,742.22/6,364.59
  6. Step 6: Final answer
    x = 7,606.89

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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.