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Finding the Fourth Proportional to 29,593,911.60, 44,390,867.40 and 18,858,803.40

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Solution

The fourth proportional to 29,593,911.60, 44,390,867.40 and 18,858,803.40 is: 28,288,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,593,911.60 : 44,390,867.40 = 18,858,803.40 : x
  2. Step 2: Convert to fraction form
    29,593,911.60/44,390,867.40 = 18,858,803.40/x
  3. Step 3: Cross multiply
    29,593,911.60x = 44,390,867.40 × 18,858,803.40
  4. Step 4: Simplify right side
    29,593,911.60x = 837,158,641,052,069.12
  5. Step 5: Solve for x
    x = 837,158,641,052,069.12/29,593,911.60
  6. Step 6: Final answer
    x = 28,288,205.10

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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.