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Finding the Fourth Proportional to 12,592.58, 17,377.39 and 6,927.32

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Solution

The fourth proportional to 12,592.58, 17,377.39 and 6,927.32 is: 9,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.58 : 17,377.39 = 6,927.32 : x
  2. Step 2: Convert to fraction form
    12,592.58/17,377.39 = 6,927.32/x
  3. Step 3: Cross multiply
    12,592.58x = 17,377.39 × 6,927.32
  4. Step 4: Simplify right side
    12,592.58x = 120,378,812.88
  5. Step 5: Solve for x
    x = 120,378,812.88/12,592.58
  6. Step 6: Final answer
    x = 9,559.50

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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.