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Finding the Fourth Proportional to 8,375.16, 12,533.34 and 7,901.56

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Solution

The fourth proportional to 8,375.16, 12,533.34 and 7,901.56 is: 11,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.16 : 12,533.34 = 7,901.56 : x
  2. Step 2: Convert to fraction form
    8,375.16/12,533.34 = 7,901.56/x
  3. Step 3: Cross multiply
    8,375.16x = 12,533.34 × 7,901.56
  4. Step 4: Simplify right side
    8,375.16x = 99,032,938.01
  5. Step 5: Solve for x
    x = 99,032,938.01/8,375.16
  6. Step 6: Final answer
    x = 11,824.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.