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Finding the Fourth Proportional to 8,572.74, 11,838.81 and 5,926.98

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Solution

The fourth proportional to 8,572.74, 11,838.81 and 5,926.98 is: 8,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.74 : 11,838.81 = 5,926.98 : x
  2. Step 2: Convert to fraction form
    8,572.74/11,838.81 = 5,926.98/x
  3. Step 3: Cross multiply
    8,572.74x = 11,838.81 × 5,926.98
  4. Step 4: Simplify right side
    8,572.74x = 70,168,390.09
  5. Step 5: Solve for x
    x = 70,168,390.09/8,572.74
  6. Step 6: Final answer
    x = 8,185.06

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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.