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Finding the Fourth Proportional to 7,041.65, 9,713.75 and 5,713.02

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Solution

The fourth proportional to 7,041.65, 9,713.75 and 5,713.02 is: 7,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.65 : 9,713.75 = 5,713.02 : x
  2. Step 2: Convert to fraction form
    7,041.65/9,713.75 = 5,713.02/x
  3. Step 3: Cross multiply
    7,041.65x = 9,713.75 × 5,713.02
  4. Step 4: Simplify right side
    7,041.65x = 55,494,819.46
  5. Step 5: Solve for x
    x = 55,494,819.46/7,041.65
  6. Step 6: Final answer
    x = 7,880.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.