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Finding the Fourth Proportional to 7,805.95, 11,694.74 and 4,512.08

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Solution

The fourth proportional to 7,805.95, 11,694.74 and 4,512.08 is: 6,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.95 : 11,694.74 = 4,512.08 : x
  2. Step 2: Convert to fraction form
    7,805.95/11,694.74 = 4,512.08/x
  3. Step 3: Cross multiply
    7,805.95x = 11,694.74 × 4,512.08
  4. Step 4: Simplify right side
    7,805.95x = 52,767,602.46
  5. Step 5: Solve for x
    x = 52,767,602.46/7,805.95
  6. Step 6: Final answer
    x = 6,759.92

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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.