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Finding the Fourth Proportional to 37,188.48, 51,320.48 and 20,192.88

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Solution

The fourth proportional to 37,188.48, 51,320.48 and 20,192.88 is: 27,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,188.48 : 51,320.48 = 20,192.88 : x
  2. Step 2: Convert to fraction form
    37,188.48/51,320.48 = 20,192.88/x
  3. Step 3: Cross multiply
    37,188.48x = 51,320.48 × 20,192.88
  4. Step 4: Simplify right side
    37,188.48x = 1,036,308,294.18
  5. Step 5: Solve for x
    x = 1,036,308,294.18/37,188.48
  6. Step 6: Final answer
    x = 27,866.38

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1.5x scale

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.