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Finding the Fourth Proportional to 30,473.39, 45,712.11 and 11,753.62

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Solution

The fourth proportional to 30,473.39, 45,712.11 and 11,753.62 is: 17,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.39 : 45,712.11 = 11,753.62 : x
  2. Step 2: Convert to fraction form
    30,473.39/45,712.11 = 11,753.62/x
  3. Step 3: Cross multiply
    30,473.39x = 45,712.11 × 11,753.62
  4. Step 4: Simplify right side
    30,473.39x = 537,282,770.34
  5. Step 5: Solve for x
    x = 537,282,770.34/30,473.39
  6. Step 6: Final answer
    x = 17,631.21

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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.