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Finding the Fourth Proportional to 4,697.39, 7,042.43 and 1,924.76

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Solution

The fourth proportional to 4,697.39, 7,042.43 and 1,924.76 is: 2,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.39 : 7,042.43 = 1,924.76 : x
  2. Step 2: Convert to fraction form
    4,697.39/7,042.43 = 1,924.76/x
  3. Step 3: Cross multiply
    4,697.39x = 7,042.43 × 1,924.76
  4. Step 4: Simplify right side
    4,697.39x = 13,554,957.17
  5. Step 5: Solve for x
    x = 13,554,957.17/4,697.39
  6. Step 6: Final answer
    x = 2,885.64

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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.