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Finding the Fourth Proportional to 8,472,807, 11,692,429.92 and 4,605,349.01

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Solution

The fourth proportional to 8,472,807, 11,692,429.92 and 4,605,349.01 is: 6,355,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472,807 : 11,692,429.92 = 4,605,349.01 : x
  2. Step 2: Convert to fraction form
    8,472,807/11,692,429.92 = 4,605,349.01/x
  3. Step 3: Cross multiply
    8,472,807x = 11,692,429.92 × 4,605,349.01
  4. Step 4: Simplify right side
    8,472,807x = 53,847,720,498,104.23
  5. Step 5: Solve for x
    x = 53,847,720,498,104.23/8,472,807
  6. Step 6: Final answer
    x = 6,355,357.85

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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.