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Finding the Fourth Proportional to 30,392.17, 45,608.62 and 10,670.79

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Solution

The fourth proportional to 30,392.17, 45,608.62 and 10,670.79 is: 16,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.17 : 45,608.62 = 10,670.79 : x
  2. Step 2: Convert to fraction form
    30,392.17/45,608.62 = 10,670.79/x
  3. Step 3: Cross multiply
    30,392.17x = 45,608.62 × 10,670.79
  4. Step 4: Simplify right side
    30,392.17x = 486,680,006.21
  5. Step 5: Solve for x
    x = 486,680,006.21/30,392.17
  6. Step 6: Final answer
    x = 16,013.34

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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.