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Finding the Fourth Proportional to 11,482,912.10, 17,224,368.15 and 7,845,493.70

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Solution

The fourth proportional to 11,482,912.10, 17,224,368.15 and 7,845,493.70 is: 11,768,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482,912.10 : 17,224,368.15 = 7,845,493.70 : x
  2. Step 2: Convert to fraction form
    11,482,912.10/17,224,368.15 = 7,845,493.70/x
  3. Step 3: Cross multiply
    11,482,912.10x = 17,224,368.15 × 7,845,493.70
  4. Step 4: Simplify right side
    11,482,912.10x = 135,133,671,807,305.64
  5. Step 5: Solve for x
    x = 135,133,671,807,305.64/11,482,912.10
  6. Step 6: Final answer
    x = 11,768,240.55

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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.