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Finding the Fourth Proportional to 6,366.70, 8,785.65 and 3,533.91

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Solution

The fourth proportional to 6,366.70, 8,785.65 and 3,533.91 is: 4,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.70 : 8,785.65 = 3,533.91 : x
  2. Step 2: Convert to fraction form
    6,366.70/8,785.65 = 3,533.91/x
  3. Step 3: Cross multiply
    6,366.70x = 8,785.65 × 3,533.91
  4. Step 4: Simplify right side
    6,366.70x = 31,047,670.66
  5. Step 5: Solve for x
    x = 31,047,670.66/6,366.70
  6. Step 6: Final answer
    x = 4,876.57

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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.