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Finding the Fourth Proportional to 8,064,643.40, 12,096,965.10 and 2,745,859.40

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Solution

The fourth proportional to 8,064,643.40, 12,096,965.10 and 2,745,859.40 is: 4,118,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,643.40 : 12,096,965.10 = 2,745,859.40 : x
  2. Step 2: Convert to fraction form
    8,064,643.40/12,096,965.10 = 2,745,859.40/x
  3. Step 3: Cross multiply
    8,064,643.40x = 12,096,965.10 × 2,745,859.40
  4. Step 4: Simplify right side
    8,064,643.40x = 33,216,565,331,306.94
  5. Step 5: Solve for x
    x = 33,216,565,331,306.94/8,064,643.40
  6. Step 6: Final answer
    x = 4,118,789.10

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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.