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Finding the Fourth Proportional to 37,440, 56,203.20 and 19,010.88

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Solution

The fourth proportional to 37,440, 56,203.20 and 19,010.88 is: 28,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,440 : 56,203.20 = 19,010.88 : x
  2. Step 2: Convert to fraction form
    37,440/56,203.20 = 19,010.88/x
  3. Step 3: Cross multiply
    37,440x = 56,203.20 × 19,010.88
  4. Step 4: Simplify right side
    37,440x = 1,068,472,290.82
  5. Step 5: Solve for x
    x = 1,068,472,290.82/37,440
  6. Step 6: Final answer
    x = 28,538.26

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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.