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Finding the Fourth Proportional to 8,772.94, 13,165.89 and 6,585.94

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Solution

The fourth proportional to 8,772.94, 13,165.89 and 6,585.94 is: 9,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.94 : 13,165.89 = 6,585.94 : x
  2. Step 2: Convert to fraction form
    8,772.94/13,165.89 = 6,585.94/x
  3. Step 3: Cross multiply
    8,772.94x = 13,165.89 × 6,585.94
  4. Step 4: Simplify right side
    8,772.94x = 86,709,761.59
  5. Step 5: Solve for x
    x = 86,709,761.59/8,772.94
  6. Step 6: Final answer
    x = 9,883.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.