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Finding the Fourth Proportional to 7,952.82, 10,970.03 and 5,717.72

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Solution

The fourth proportional to 7,952.82, 10,970.03 and 5,717.72 is: 7,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.82 : 10,970.03 = 5,717.72 : x
  2. Step 2: Convert to fraction form
    7,952.82/10,970.03 = 5,717.72/x
  3. Step 3: Cross multiply
    7,952.82x = 10,970.03 × 5,717.72
  4. Step 4: Simplify right side
    7,952.82x = 62,723,476.49
  5. Step 5: Solve for x
    x = 62,723,476.49/7,952.82
  6. Step 6: Final answer
    x = 7,886.95

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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.