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Finding the Fourth Proportional to 5,440.08, 7,507.50 and 3,017.50

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Solution

The fourth proportional to 5,440.08, 7,507.50 and 3,017.50 is: 4,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.08 : 7,507.50 = 3,017.50 : x
  2. Step 2: Convert to fraction form
    5,440.08/7,507.50 = 3,017.50/x
  3. Step 3: Cross multiply
    5,440.08x = 7,507.50 × 3,017.50
  4. Step 4: Simplify right side
    5,440.08x = 22,653,881.25
  5. Step 5: Solve for x
    x = 22,653,881.25/5,440.08
  6. Step 6: Final answer
    x = 4,164.26

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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.