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Finding the Fourth Proportional to 9,906,633.40, 14,859,950.10 and 8,950,039.60

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Solution

The fourth proportional to 9,906,633.40, 14,859,950.10 and 8,950,039.60 is: 13,425,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,633.40 : 14,859,950.10 = 8,950,039.60 : x
  2. Step 2: Convert to fraction form
    9,906,633.40/14,859,950.10 = 8,950,039.60/x
  3. Step 3: Cross multiply
    9,906,633.40x = 14,859,950.10 × 8,950,039.60
  4. Step 4: Simplify right side
    9,906,633.40x = 132,997,141,849,023.95
  5. Step 5: Solve for x
    x = 132,997,141,849,023.95/9,906,633.40
  6. Step 6: Final answer
    x = 13,425,059.40

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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.