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Finding the Fourth Proportional to 37,585.49, 51,869.03 and 21,671.01

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Solution

The fourth proportional to 37,585.49, 51,869.03 and 21,671.01 is: 29,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,585.49 : 51,869.03 = 21,671.01 : x
  2. Step 2: Convert to fraction form
    37,585.49/51,869.03 = 21,671.01/x
  3. Step 3: Cross multiply
    37,585.49x = 51,869.03 × 21,671.01
  4. Step 4: Simplify right side
    37,585.49x = 1,124,054,159.47
  5. Step 5: Solve for x
    x = 1,124,054,159.47/37,585.49
  6. Step 6: Final answer
    x = 29,906.60

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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.