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Finding the Fourth Proportional to 6,495.59, 8,963.86 and 3,511.40

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Solution

The fourth proportional to 6,495.59, 8,963.86 and 3,511.40 is: 4,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.59 : 8,963.86 = 3,511.40 : x
  2. Step 2: Convert to fraction form
    6,495.59/8,963.86 = 3,511.40/x
  3. Step 3: Cross multiply
    6,495.59x = 8,963.86 × 3,511.40
  4. Step 4: Simplify right side
    6,495.59x = 31,475,698.00
  5. Step 5: Solve for x
    x = 31,475,698.00/6,495.59
  6. Step 6: Final answer
    x = 4,845.70

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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.