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Finding the Fourth Proportional to 3,734,861.70, 5,602,292.55 and 3,604,953.90

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Solution

The fourth proportional to 3,734,861.70, 5,602,292.55 and 3,604,953.90 is: 5,407,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734,861.70 : 5,602,292.55 = 3,604,953.90 : x
  2. Step 2: Convert to fraction form
    3,734,861.70/5,602,292.55 = 3,604,953.90/x
  3. Step 3: Cross multiply
    3,734,861.70x = 5,602,292.55 × 3,604,953.90
  4. Step 4: Simplify right side
    3,734,861.70x = 20,196,006,377,063.45
  5. Step 5: Solve for x
    x = 20,196,006,377,063.45/3,734,861.70
  6. Step 6: Final answer
    x = 5,407,430.85

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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.