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Finding the Fourth Proportional to 8,807,582.80, 13,211,374.20 and 5,028,446.80

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Solution

The fourth proportional to 8,807,582.80, 13,211,374.20 and 5,028,446.80 is: 7,542,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807,582.80 : 13,211,374.20 = 5,028,446.80 : x
  2. Step 2: Convert to fraction form
    8,807,582.80/13,211,374.20 = 5,028,446.80/x
  3. Step 3: Cross multiply
    8,807,582.80x = 13,211,374.20 × 5,028,446.80
  4. Step 4: Simplify right side
    8,807,582.80x = 66,432,692,319,592.55
  5. Step 5: Solve for x
    x = 66,432,692,319,592.55/8,807,582.80
  6. Step 6: Final answer
    x = 7,542,670.20

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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.