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Finding the Fourth Proportional to 22,750.47, 34,125.71 and 8,889.75

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Solution

The fourth proportional to 22,750.47, 34,125.71 and 8,889.75 is: 13,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.47 : 34,125.71 = 8,889.75 : x
  2. Step 2: Convert to fraction form
    22,750.47/34,125.71 = 8,889.75/x
  3. Step 3: Cross multiply
    22,750.47x = 34,125.71 × 8,889.75
  4. Step 4: Simplify right side
    22,750.47x = 303,369,030.47
  5. Step 5: Solve for x
    x = 303,369,030.47/22,750.47
  6. Step 6: Final answer
    x = 13,334.63

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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.