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Finding the Fourth Proportional to 5,599.72, 7,725.54 and 5,591.08

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Solution

The fourth proportional to 5,599.72, 7,725.54 and 5,591.08 is: 7,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.72 : 7,725.54 = 5,591.08 : x
  2. Step 2: Convert to fraction form
    5,599.72/7,725.54 = 5,591.08/x
  3. Step 3: Cross multiply
    5,599.72x = 7,725.54 × 5,591.08
  4. Step 4: Simplify right side
    5,599.72x = 43,194,112.18
  5. Step 5: Solve for x
    x = 43,194,112.18/5,599.72
  6. Step 6: Final answer
    x = 7,713.62

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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.