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Finding the Fourth Proportional to 5,039.98, 7,559.98 and 1,530.01

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Solution

The fourth proportional to 5,039.98, 7,559.98 and 1,530.01 is: 2,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.98 : 7,559.98 = 1,530.01 : x
  2. Step 2: Convert to fraction form
    5,039.98/7,559.98 = 1,530.01/x
  3. Step 3: Cross multiply
    5,039.98x = 7,559.98 × 1,530.01
  4. Step 4: Simplify right side
    5,039.98x = 11,566,867.72
  5. Step 5: Solve for x
    x = 11,566,867.72/5,039.98
  6. Step 6: Final answer
    x = 2,295.02

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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.