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Finding the Fourth Proportional to 30,265.74, 45,398.81 and 10,544.67

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Solution

The fourth proportional to 30,265.74, 45,398.81 and 10,544.67 is: 15,817.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265.74 : 45,398.81 = 10,544.67 : x
  2. Step 2: Convert to fraction form
    30,265.74/45,398.81 = 10,544.67/x
  3. Step 3: Cross multiply
    30,265.74x = 45,398.81 × 10,544.67
  4. Step 4: Simplify right side
    30,265.74x = 478,715,469.84
  5. Step 5: Solve for x
    x = 478,715,469.84/30,265.74
  6. Step 6: Final answer
    x = 15,817.07

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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.