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Finding the Fourth Proportional to 5,599.69, 8,400.07 and 2,088.87

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Solution

The fourth proportional to 5,599.69, 8,400.07 and 2,088.87 is: 3,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.69 : 8,400.07 = 2,088.87 : x
  2. Step 2: Convert to fraction form
    5,599.69/8,400.07 = 2,088.87/x
  3. Step 3: Cross multiply
    5,599.69x = 8,400.07 × 2,088.87
  4. Step 4: Simplify right side
    5,599.69x = 17,546,654.22
  5. Step 5: Solve for x
    x = 17,546,654.22/5,599.69
  6. Step 6: Final answer
    x = 3,133.50

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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.