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Finding the Fourth Proportional to 9,467,489.80, 14,201,234.70 and 7,955,835.40

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Solution

The fourth proportional to 9,467,489.80, 14,201,234.70 and 7,955,835.40 is: 11,933,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,467,489.80 : 14,201,234.70 = 7,955,835.40 : x
  2. Step 2: Convert to fraction form
    9,467,489.80/14,201,234.70 = 7,955,835.40/x
  3. Step 3: Cross multiply
    9,467,489.80x = 14,201,234.70 × 7,955,835.40
  4. Step 4: Simplify right side
    9,467,489.80x = 112,982,685,749,968.38
  5. Step 5: Solve for x
    x = 112,982,685,749,968.38/9,467,489.80
  6. Step 6: Final answer
    x = 11,933,753.10

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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.