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Finding the Fourth Proportional to 36,902.52, 55,370 and 19,368.28

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Solution

The fourth proportional to 36,902.52, 55,370 and 19,368.28 is: 29,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,902.52 : 55,370 = 19,368.28 : x
  2. Step 2: Convert to fraction form
    36,902.52/55,370 = 19,368.28/x
  3. Step 3: Cross multiply
    36,902.52x = 55,370 × 19,368.28
  4. Step 4: Simplify right side
    36,902.52x = 1,072,421,663.60
  5. Step 5: Solve for x
    x = 1,072,421,663.60/36,902.52
  6. Step 6: Final answer
    x = 29,060.93

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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.