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Finding the Fourth Proportional to 25,080, 37,622.28 and 6,612

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Solution

The fourth proportional to 25,080, 37,622.28 and 6,612 is: 9,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080 : 37,622.28 = 6,612 : x
  2. Step 2: Convert to fraction form
    25,080/37,622.28 = 6,612/x
  3. Step 3: Cross multiply
    25,080x = 37,622.28 × 6,612
  4. Step 4: Simplify right side
    25,080x = 248,758,515.36
  5. Step 5: Solve for x
    x = 248,758,515.36/25,080
  6. Step 6: Final answer
    x = 9,918.60

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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.