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Finding the Fourth Proportional to 29,803,917.20, 44,705,875.80 and 28,040,320.40

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Solution

The fourth proportional to 29,803,917.20, 44,705,875.80 and 28,040,320.40 is: 42,060,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,803,917.20 : 44,705,875.80 = 28,040,320.40 : x
  2. Step 2: Convert to fraction form
    29,803,917.20/44,705,875.80 = 28,040,320.40/x
  3. Step 3: Cross multiply
    29,803,917.20x = 44,705,875.80 × 28,040,320.40
  4. Step 4: Simplify right side
    29,803,917.20x = 1,253,567,081,194,606.25
  5. Step 5: Solve for x
    x = 1,253,567,081,194,606.25/29,803,917.20
  6. Step 6: Final answer
    x = 42,060,480.60

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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.