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Finding the Fourth Proportional to 57,799, 86,698.50 and 14,023

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Solution

The fourth proportional to 57,799, 86,698.50 and 14,023 is: 21,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,799 : 86,698.50 = 14,023 : x
  2. Step 2: Convert to fraction form
    57,799/86,698.50 = 14,023/x
  3. Step 3: Cross multiply
    57,799x = 86,698.50 × 14,023
  4. Step 4: Simplify right side
    57,799x = 1,215,773,065.50
  5. Step 5: Solve for x
    x = 1,215,773,065.50/57,799
  6. Step 6: Final answer
    x = 21,034.50

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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.