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Finding the Fourth Proportional to 6,301,660.86, 8,677,993.86 and 5,474,357.64

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Solution

The fourth proportional to 6,301,660.86, 8,677,993.86 and 5,474,357.64 is: 7,538,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,301,660.86 : 8,677,993.86 = 5,474,357.64 : x
  2. Step 2: Convert to fraction form
    6,301,660.86/8,677,993.86 = 5,474,357.64/x
  3. Step 3: Cross multiply
    6,301,660.86x = 8,677,993.86 × 5,474,357.64
  4. Step 4: Simplify right side
    6,301,660.86x = 47,506,441,987,364.09
  5. Step 5: Solve for x
    x = 47,506,441,987,364.09/6,301,660.86
  6. Step 6: Final answer
    x = 7,538,717.66

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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.