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Finding the Fourth Proportional to 7,674,645.70, 11,505,895.70 and 2,881,801.06

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Solution

The fourth proportional to 7,674,645.70, 11,505,895.70 and 2,881,801.06 is: 4,320,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674,645.70 : 11,505,895.70 = 2,881,801.06 : x
  2. Step 2: Convert to fraction form
    7,674,645.70/11,505,895.70 = 2,881,801.06/x
  3. Step 3: Cross multiply
    7,674,645.70x = 11,505,895.70 × 2,881,801.06
  4. Step 4: Simplify right side
    7,674,645.70x = 33,157,702,424,509.44
  5. Step 5: Solve for x
    x = 33,157,702,424,509.44/7,674,645.70
  6. Step 6: Final answer
    x = 4,320,421.26

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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.