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Finding the Fourth Proportional to 6,350,709.32, 8,764,730.25 and 3,772,400.34

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Solution

The fourth proportional to 6,350,709.32, 8,764,730.25 and 3,772,400.34 is: 5,206,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,350,709.32 : 8,764,730.25 = 3,772,400.34 : x
  2. Step 2: Convert to fraction form
    6,350,709.32/8,764,730.25 = 3,772,400.34/x
  3. Step 3: Cross multiply
    6,350,709.32x = 8,764,730.25 × 3,772,400.34
  4. Step 4: Simplify right side
    6,350,709.32x = 33,064,071,393,829.52
  5. Step 5: Solve for x
    x = 33,064,071,393,829.52/6,350,709.32
  6. Step 6: Final answer
    x = 5,206,358.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.