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Finding the Fourth Proportional to 7,956.58, 10,975.04 and 5,127.66

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Solution

The fourth proportional to 7,956.58, 10,975.04 and 5,127.66 is: 7,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.58 : 10,975.04 = 5,127.66 : x
  2. Step 2: Convert to fraction form
    7,956.58/10,975.04 = 5,127.66/x
  3. Step 3: Cross multiply
    7,956.58x = 10,975.04 × 5,127.66
  4. Step 4: Simplify right side
    7,956.58x = 56,276,273.61
  5. Step 5: Solve for x
    x = 56,276,273.61/7,956.58
  6. Step 6: Final answer
    x = 7,072.92

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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.