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Finding the Fourth Proportional to 62,199, 93,313.08 and 20,646

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Solution

The fourth proportional to 62,199, 93,313.08 and 20,646 is: 30,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,199 : 93,313.08 = 20,646 : x
  2. Step 2: Convert to fraction form
    62,199/93,313.08 = 20,646/x
  3. Step 3: Cross multiply
    62,199x = 93,313.08 × 20,646
  4. Step 4: Simplify right side
    62,199x = 1,926,541,849.68
  5. Step 5: Solve for x
    x = 1,926,541,849.68/62,199
  6. Step 6: Final answer
    x = 30,973.84

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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.