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Finding the Fourth Proportional to 8,571.76, 11,834.19 and 5,592.76

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Solution

The fourth proportional to 8,571.76, 11,834.19 and 5,592.76 is: 7,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.76 : 11,834.19 = 5,592.76 : x
  2. Step 2: Convert to fraction form
    8,571.76/11,834.19 = 5,592.76/x
  3. Step 3: Cross multiply
    8,571.76x = 11,834.19 × 5,592.76
  4. Step 4: Simplify right side
    8,571.76x = 66,185,784.46
  5. Step 5: Solve for x
    x = 66,185,784.46/8,571.76
  6. Step 6: Final answer
    x = 7,721.38

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Half scale
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Double scale
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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.