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Finding the Fourth Proportional to 8,750.88, 12,052.08 and 7,571.52

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Solution

The fourth proportional to 8,750.88, 12,052.08 and 7,571.52 is: 10,427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.88 : 12,052.08 = 7,571.52 : x
  2. Step 2: Convert to fraction form
    8,750.88/12,052.08 = 7,571.52/x
  3. Step 3: Cross multiply
    8,750.88x = 12,052.08 × 7,571.52
  4. Step 4: Simplify right side
    8,750.88x = 91,252,564.76
  5. Step 5: Solve for x
    x = 91,252,564.76/8,750.88
  6. Step 6: Final answer
    x = 10,427.82

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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.