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Finding the Fourth Proportional to 15,289.84, 22,935.03 and 5,422.24

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Solution

The fourth proportional to 15,289.84, 22,935.03 and 5,422.24 is: 8,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.84 : 22,935.03 = 5,422.24 : x
  2. Step 2: Convert to fraction form
    15,289.84/22,935.03 = 5,422.24/x
  3. Step 3: Cross multiply
    15,289.84x = 22,935.03 × 5,422.24
  4. Step 4: Simplify right side
    15,289.84x = 124,359,237.07
  5. Step 5: Solve for x
    x = 124,359,237.07/15,289.84
  6. Step 6: Final answer
    x = 8,133.46

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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.