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Finding the Fourth Proportional to 10,652,030.90, 15,978,046.35 and 4,263,269.30

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Solution

The fourth proportional to 10,652,030.90, 15,978,046.35 and 4,263,269.30 is: 6,394,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652,030.90 : 15,978,046.35 = 4,263,269.30 : x
  2. Step 2: Convert to fraction form
    10,652,030.90/15,978,046.35 = 4,263,269.30/x
  3. Step 3: Cross multiply
    10,652,030.90x = 15,978,046.35 × 4,263,269.30
  4. Step 4: Simplify right side
    10,652,030.90x = 68,118,714,477,932.05
  5. Step 5: Solve for x
    x = 68,118,714,477,932.05/10,652,030.90
  6. Step 6: Final answer
    x = 6,394,903.95

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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.