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Finding the Fourth Proportional to 7,959.21, 10,973.39 and 5,304.57

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Solution

The fourth proportional to 7,959.21, 10,973.39 and 5,304.57 is: 7,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.21 : 10,973.39 = 5,304.57 : x
  2. Step 2: Convert to fraction form
    7,959.21/10,973.39 = 5,304.57/x
  3. Step 3: Cross multiply
    7,959.21x = 10,973.39 × 5,304.57
  4. Step 4: Simplify right side
    7,959.21x = 58,209,088.87
  5. Step 5: Solve for x
    x = 58,209,088.87/7,959.21
  6. Step 6: Final answer
    x = 7,313.43

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1.5x scale

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.