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Finding the Fourth Proportional to 8,794,235.60, 13,191,353.40 and 3,113,721.80

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Solution

The fourth proportional to 8,794,235.60, 13,191,353.40 and 3,113,721.80 is: 4,670,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794,235.60 : 13,191,353.40 = 3,113,721.80 : x
  2. Step 2: Convert to fraction form
    8,794,235.60/13,191,353.40 = 3,113,721.80/x
  3. Step 3: Cross multiply
    8,794,235.60x = 13,191,353.40 × 3,113,721.80
  4. Step 4: Simplify right side
    8,794,235.60x = 41,074,204,653,084.12
  5. Step 5: Solve for x
    x = 41,074,204,653,084.12/8,794,235.60
  6. Step 6: Final answer
    x = 4,670,582.70

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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.