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Finding the Fourth Proportional to 30,531.00, 45,803.07 and 9,470.62

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Solution

The fourth proportional to 30,531.00, 45,803.07 and 9,470.62 is: 14,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531.00 : 45,803.07 = 9,470.62 : x
  2. Step 2: Convert to fraction form
    30,531.00/45,803.07 = 9,470.62/x
  3. Step 3: Cross multiply
    30,531.00x = 45,803.07 × 9,470.62
  4. Step 4: Simplify right side
    30,531.00x = 433,783,241.79
  5. Step 5: Solve for x
    x = 433,783,241.79/30,531.00
  6. Step 6: Final answer
    x = 14,207.96

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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.