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Finding the Fourth Proportional to 29,920,552.80, 44,768,854.80 and 19,842,856.80

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Solution

The fourth proportional to 29,920,552.80, 44,768,854.80 and 19,842,856.80 is: 29,690,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920,552.80 : 44,768,854.80 = 19,842,856.80 : x
  2. Step 2: Convert to fraction form
    29,920,552.80/44,768,854.80 = 19,842,856.80/x
  3. Step 3: Cross multiply
    29,920,552.80x = 44,768,854.80 × 19,842,856.80
  4. Step 4: Simplify right side
    29,920,552.80x = 888,341,974,896,392.62
  5. Step 5: Solve for x
    x = 888,341,974,896,392.62/29,920,552.80
  6. Step 6: Final answer
    x = 29,690,025.48

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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.