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Finding the Fourth Proportional to 6,784,494.83, 10,168,404.74 and 3,136,289.89

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Solution

The fourth proportional to 6,784,494.83, 10,168,404.74 and 3,136,289.89 is: 4,700,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784,494.83 : 10,168,404.74 = 3,136,289.89 : x
  2. Step 2: Convert to fraction form
    6,784,494.83/10,168,404.74 = 3,136,289.89/x
  3. Step 3: Cross multiply
    6,784,494.83x = 10,168,404.74 × 3,136,289.89
  4. Step 4: Simplify right side
    6,784,494.83x = 31,891,065,012,450.08
  5. Step 5: Solve for x
    x = 31,891,065,012,450.08/6,784,494.83
  6. Step 6: Final answer
    x = 4,700,580.64

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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.