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Finding the Fourth Proportional to 33,089.28, 49,642.28 and 9,715.72

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Solution

The fourth proportional to 33,089.28, 49,642.28 and 9,715.72 is: 14,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,089.28 : 49,642.28 = 9,715.72 : x
  2. Step 2: Convert to fraction form
    33,089.28/49,642.28 = 9,715.72/x
  3. Step 3: Cross multiply
    33,089.28x = 49,642.28 × 9,715.72
  4. Step 4: Simplify right side
    33,089.28x = 482,310,492.64
  5. Step 5: Solve for x
    x = 482,310,492.64/33,089.28
  6. Step 6: Final answer
    x = 14,576.03

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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.