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Finding the Fourth Proportional to 3,762,661.92, 5,643,982.08 and 1,366,496.88

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Solution

The fourth proportional to 3,762,661.92, 5,643,982.08 and 1,366,496.88 is: 2,049,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762,661.92 : 5,643,982.08 = 1,366,496.88 : x
  2. Step 2: Convert to fraction form
    3,762,661.92/5,643,982.08 = 1,366,496.88/x
  3. Step 3: Cross multiply
    3,762,661.92x = 5,643,982.08 × 1,366,496.88
  4. Step 4: Simplify right side
    3,762,661.92x = 7,712,483,903,095.91
  5. Step 5: Solve for x
    x = 7,712,483,903,095.91/3,762,661.92
  6. Step 6: Final answer
    x = 2,049,741.40

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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.