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Finding the Fourth Proportional to 4,953.75, 6,836.21 and 2,715.63

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Solution

The fourth proportional to 4,953.75, 6,836.21 and 2,715.63 is: 3,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.75 : 6,836.21 = 2,715.63 : x
  2. Step 2: Convert to fraction form
    4,953.75/6,836.21 = 2,715.63/x
  3. Step 3: Cross multiply
    4,953.75x = 6,836.21 × 2,715.63
  4. Step 4: Simplify right side
    4,953.75x = 18,564,603.38
  5. Step 5: Solve for x
    x = 18,564,603.38/4,953.75
  6. Step 6: Final answer
    x = 3,747.59

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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.