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Finding the Fourth Proportional to 61,583.72, 84,970.87 and 37,384.11

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Solution

The fourth proportional to 61,583.72, 84,970.87 and 37,384.11 is: 51,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,583.72 : 84,970.87 = 37,384.11 : x
  2. Step 2: Convert to fraction form
    61,583.72/84,970.87 = 37,384.11/x
  3. Step 3: Cross multiply
    61,583.72x = 84,970.87 × 37,384.11
  4. Step 4: Simplify right side
    61,583.72x = 3,176,560,228.72
  5. Step 5: Solve for x
    x = 3,176,560,228.72/61,583.72
  6. Step 6: Final answer
    x = 51,581.17

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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.