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Finding the Fourth Proportional to 37,218.78, 55,827.81 and 15,031.77

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Solution

The fourth proportional to 37,218.78, 55,827.81 and 15,031.77 is: 22,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.78 : 55,827.81 = 15,031.77 : x
  2. Step 2: Convert to fraction form
    37,218.78/55,827.81 = 15,031.77/x
  3. Step 3: Cross multiply
    37,218.78x = 55,827.81 × 15,031.77
  4. Step 4: Simplify right side
    37,218.78x = 839,190,520.38
  5. Step 5: Solve for x
    x = 839,190,520.38/37,218.78
  6. Step 6: Final answer
    x = 22,547.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.