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Finding the Fourth Proportional to 11,907,507.60, 17,838,724.32 and 7,035,243.48

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Solution

The fourth proportional to 11,907,507.60, 17,838,724.32 and 7,035,243.48 is: 10,539,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907,507.60 : 17,838,724.32 = 7,035,243.48 : x
  2. Step 2: Convert to fraction form
    11,907,507.60/17,838,724.32 = 7,035,243.48/x
  3. Step 3: Cross multiply
    11,907,507.60x = 17,838,724.32 × 7,035,243.48
  4. Step 4: Simplify right side
    11,907,507.60x = 125,499,768,963,797.44
  5. Step 5: Solve for x
    x = 125,499,768,963,797.44/11,907,507.60
  6. Step 6: Final answer
    x = 10,539,549.77

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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.