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Finding the Fourth Proportional to 30,662.74, 45,992.89 and 9,602.34

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Solution

The fourth proportional to 30,662.74, 45,992.89 and 9,602.34 is: 14,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662.74 : 45,992.89 = 9,602.34 : x
  2. Step 2: Convert to fraction form
    30,662.74/45,992.89 = 9,602.34/x
  3. Step 3: Cross multiply
    30,662.74x = 45,992.89 × 9,602.34
  4. Step 4: Simplify right side
    30,662.74x = 441,639,367.36
  5. Step 5: Solve for x
    x = 441,639,367.36/30,662.74
  6. Step 6: Final answer
    x = 14,403.13

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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.