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Finding the Fourth Proportional to 4,952.30, 7,428.45 and 4,709.30

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Solution

The fourth proportional to 4,952.30, 7,428.45 and 4,709.30 is: 7,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.30 : 7,428.45 = 4,709.30 : x
  2. Step 2: Convert to fraction form
    4,952.30/7,428.45 = 4,709.30/x
  3. Step 3: Cross multiply
    4,952.30x = 7,428.45 × 4,709.30
  4. Step 4: Simplify right side
    4,952.30x = 34,982,799.59
  5. Step 5: Solve for x
    x = 34,982,799.59/4,952.30
  6. Step 6: Final answer
    x = 7,063.95

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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.