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Finding the Fourth Proportional to 6,734,671.77, 10,101,978.48 and 1,685,967.69

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Solution

The fourth proportional to 6,734,671.77, 10,101,978.48 and 1,685,967.69 is: 2,528,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,734,671.77 : 10,101,978.48 = 1,685,967.69 : x
  2. Step 2: Convert to fraction form
    6,734,671.77/10,101,978.48 = 1,685,967.69/x
  3. Step 3: Cross multiply
    6,734,671.77x = 10,101,978.48 × 1,685,967.69
  4. Step 4: Simplify right side
    6,734,671.77x = 17,031,609,322,355.31
  5. Step 5: Solve for x
    x = 17,031,609,322,355.31/6,734,671.77
  6. Step 6: Final answer
    x = 2,528,944.23

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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.