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Finding the Fourth Proportional to 37,300.80, 55,981.80 and 37,009.20

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Solution

The fourth proportional to 37,300.80, 55,981.80 and 37,009.20 is: 55,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,300.80 : 55,981.80 = 37,009.20 : x
  2. Step 2: Convert to fraction form
    37,300.80/55,981.80 = 37,009.20/x
  3. Step 3: Cross multiply
    37,300.80x = 55,981.80 × 37,009.20
  4. Step 4: Simplify right side
    37,300.80x = 2,071,841,632.56
  5. Step 5: Solve for x
    x = 2,071,841,632.56/37,300.80
  6. Step 6: Final answer
    x = 55,544.16

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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.