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Finding the Fourth Proportional to 7,895,171.45, 10,894,728.52 and 4,457,751.77

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Solution

The fourth proportional to 7,895,171.45, 10,894,728.52 and 4,457,751.77 is: 6,151,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895,171.45 : 10,894,728.52 = 4,457,751.77 : x
  2. Step 2: Convert to fraction form
    7,895,171.45/10,894,728.52 = 4,457,751.77/x
  3. Step 3: Cross multiply
    7,895,171.45x = 10,894,728.52 × 4,457,751.77
  4. Step 4: Simplify right side
    7,895,171.45x = 48,565,995,376,508.49
  5. Step 5: Solve for x
    x = 48,565,995,376,508.49/7,895,171.45
  6. Step 6: Final answer
    x = 6,151,354.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.