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Finding the Fourth Proportional to 30,092.58, 45,119.16 and 15,280.92

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Solution

The fourth proportional to 30,092.58, 45,119.16 and 15,280.92 is: 22,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,092.58 : 45,119.16 = 15,280.92 : x
  2. Step 2: Convert to fraction form
    30,092.58/45,119.16 = 15,280.92/x
  3. Step 3: Cross multiply
    30,092.58x = 45,119.16 × 15,280.92
  4. Step 4: Simplify right side
    30,092.58x = 689,462,274.43
  5. Step 5: Solve for x
    x = 689,462,274.43/30,092.58
  6. Step 6: Final answer
    x = 22,911.37

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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.