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Finding the Fourth Proportional to 8,583,494.22, 11,855,701.23 and 6,417,642.51

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Solution

The fourth proportional to 8,583,494.22, 11,855,701.23 and 6,417,642.51 is: 8,864,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583,494.22 : 11,855,701.23 = 6,417,642.51 : x
  2. Step 2: Convert to fraction form
    8,583,494.22/11,855,701.23 = 6,417,642.51/x
  3. Step 3: Cross multiply
    8,583,494.22x = 11,855,701.23 × 6,417,642.51
  4. Step 4: Simplify right side
    8,583,494.22x = 76,085,652,199,507.28
  5. Step 5: Solve for x
    x = 76,085,652,199,507.28/8,583,494.22
  6. Step 6: Final answer
    x = 8,864,181.68

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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.