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Finding the Fourth Proportional to 5,505.87, 7,598.04 and 2,987.99

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Solution

The fourth proportional to 5,505.87, 7,598.04 and 2,987.99 is: 4,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.87 : 7,598.04 = 2,987.99 : x
  2. Step 2: Convert to fraction form
    5,505.87/7,598.04 = 2,987.99/x
  3. Step 3: Cross multiply
    5,505.87x = 7,598.04 × 2,987.99
  4. Step 4: Simplify right side
    5,505.87x = 22,702,867.54
  5. Step 5: Solve for x
    x = 22,702,867.54/5,505.87
  6. Step 6: Final answer
    x = 4,123.39

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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.