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Finding the Fourth Proportional to 62,551.63, 93,837.03 and 21,008.35

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Solution

The fourth proportional to 62,551.63, 93,837.03 and 21,008.35 is: 31,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,551.63 : 93,837.03 = 21,008.35 : x
  2. Step 2: Convert to fraction form
    62,551.63/93,837.03 = 21,008.35/x
  3. Step 3: Cross multiply
    62,551.63x = 93,837.03 × 21,008.35
  4. Step 4: Simplify right side
    62,551.63x = 1,971,361,169.20
  5. Step 5: Solve for x
    x = 1,971,361,169.20/62,551.63
  6. Step 6: Final answer
    x = 31,515.74

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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.