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Finding the Fourth Proportional to 10,357.92, 15,523.44 and 4,813.92

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Solution

The fourth proportional to 10,357.92, 15,523.44 and 4,813.92 is: 7,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.92 : 15,523.44 = 4,813.92 : x
  2. Step 2: Convert to fraction form
    10,357.92/15,523.44 = 4,813.92/x
  3. Step 3: Cross multiply
    10,357.92x = 15,523.44 × 4,813.92
  4. Step 4: Simplify right side
    10,357.92x = 74,728,598.28
  5. Step 5: Solve for x
    x = 74,728,598.28/10,357.92
  6. Step 6: Final answer
    x = 7,214.63

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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.