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Finding the Fourth Proportional to 10,358.92, 15,524.94 and 4,814.92

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Solution

The fourth proportional to 10,358.92, 15,524.94 and 4,814.92 is: 7,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.92 : 15,524.94 = 4,814.92 : x
  2. Step 2: Convert to fraction form
    10,358.92/15,524.94 = 4,814.92/x
  3. Step 3: Cross multiply
    10,358.92x = 15,524.94 × 4,814.92
  4. Step 4: Simplify right side
    10,358.92x = 74,751,344.10
  5. Step 5: Solve for x
    x = 74,751,344.10/10,358.92
  6. Step 6: Final answer
    x = 7,216.13

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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.