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Finding the Fourth Proportional to 7,319, 10,973.01 and 2,385.71

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Solution

The fourth proportional to 7,319, 10,973.01 and 2,385.71 is: 3,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319 : 10,973.01 = 2,385.71 : x
  2. Step 2: Convert to fraction form
    7,319/10,973.01 = 2,385.71/x
  3. Step 3: Cross multiply
    7,319x = 10,973.01 × 2,385.71
  4. Step 4: Simplify right side
    7,319x = 26,178,419.69
  5. Step 5: Solve for x
    x = 26,178,419.69/7,319
  6. Step 6: Final answer
    x = 3,576.78

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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.