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Finding the Fourth Proportional to 30,274.68, 45,410.17 and 14,490.93

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Solution

The fourth proportional to 30,274.68, 45,410.17 and 14,490.93 is: 21,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,274.68 : 45,410.17 = 14,490.93 : x
  2. Step 2: Convert to fraction form
    30,274.68/45,410.17 = 14,490.93/x
  3. Step 3: Cross multiply
    30,274.68x = 45,410.17 × 14,490.93
  4. Step 4: Simplify right side
    30,274.68x = 658,035,594.76
  5. Step 5: Solve for x
    x = 658,035,594.76/30,274.68
  6. Step 6: Final answer
    x = 21,735.51

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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.