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Finding the Fourth Proportional to 30,463.40, 45,692.22 and 9,397.79

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Solution

The fourth proportional to 30,463.40, 45,692.22 and 9,397.79 is: 14,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,463.40 : 45,692.22 = 9,397.79 : x
  2. Step 2: Convert to fraction form
    30,463.40/45,692.22 = 9,397.79/x
  3. Step 3: Cross multiply
    30,463.40x = 45,692.22 × 9,397.79
  4. Step 4: Simplify right side
    30,463.40x = 429,405,659.73
  5. Step 5: Solve for x
    x = 429,405,659.73/30,463.40
  6. Step 6: Final answer
    x = 14,095.79

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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.