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Finding the Fourth Proportional to 17,898.48, 26,849.06 and 4,750.56

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Solution

The fourth proportional to 17,898.48, 26,849.06 and 4,750.56 is: 7,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.48 : 26,849.06 = 4,750.56 : x
  2. Step 2: Convert to fraction form
    17,898.48/26,849.06 = 4,750.56/x
  3. Step 3: Cross multiply
    17,898.48x = 26,849.06 × 4,750.56
  4. Step 4: Simplify right side
    17,898.48x = 127,548,070.47
  5. Step 5: Solve for x
    x = 127,548,070.47/17,898.48
  6. Step 6: Final answer
    x = 7,126.20

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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.