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Finding the Fourth Proportional to 7,388,432.80, 11,063,986.80 and 4,850,346.40

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Solution

The fourth proportional to 7,388,432.80, 11,063,986.80 and 4,850,346.40 is: 7,263,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,432.80 : 11,063,986.80 = 4,850,346.40 : x
  2. Step 2: Convert to fraction form
    7,388,432.80/11,063,986.80 = 4,850,346.40/x
  3. Step 3: Cross multiply
    7,388,432.80x = 11,063,986.80 × 4,850,346.40
  4. Step 4: Simplify right side
    7,388,432.80x = 53,664,168,545,027.53
  5. Step 5: Solve for x
    x = 53,664,168,545,027.53/7,388,432.80
  6. Step 6: Final answer
    x = 7,263,268.14

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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.