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Finding the Fourth Proportional to 6,631,224.40, 9,952,085.40 and 2,589,648.40

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Solution

The fourth proportional to 6,631,224.40, 9,952,085.40 and 2,589,648.40 is: 3,886,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,224.40 : 9,952,085.40 = 2,589,648.40 : x
  2. Step 2: Convert to fraction form
    6,631,224.40/9,952,085.40 = 2,589,648.40/x
  3. Step 3: Cross multiply
    6,631,224.40x = 9,952,085.40 × 2,589,648.40
  4. Step 4: Simplify right side
    6,631,224.40x = 25,772,402,032,773.36
  5. Step 5: Solve for x
    x = 25,772,402,032,773.36/6,631,224.40
  6. Step 6: Final answer
    x = 3,886,522.38

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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.