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Finding the Fourth Proportional to 10,441,656.70, 15,662,485.05 and 7,607,304.70

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Solution

The fourth proportional to 10,441,656.70, 15,662,485.05 and 7,607,304.70 is: 11,410,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441,656.70 : 15,662,485.05 = 7,607,304.70 : x
  2. Step 2: Convert to fraction form
    10,441,656.70/15,662,485.05 = 7,607,304.70/x
  3. Step 3: Cross multiply
    10,441,656.70x = 15,662,485.05 × 7,607,304.70
  4. Step 4: Simplify right side
    10,441,656.70x = 119,149,296,134,544.75
  5. Step 5: Solve for x
    x = 119,149,296,134,544.75/10,441,656.70
  6. Step 6: Final answer
    x = 11,410,957.05

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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.