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Finding the Fourth Proportional to 4,788,435.06, 7,171,211.07 and 2,653,223.22

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Solution

The fourth proportional to 4,788,435.06, 7,171,211.07 and 2,653,223.22 is: 3,973,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,435.06 : 7,171,211.07 = 2,653,223.22 : x
  2. Step 2: Convert to fraction form
    4,788,435.06/7,171,211.07 = 2,653,223.22/x
  3. Step 3: Cross multiply
    4,788,435.06x = 7,171,211.07 × 2,653,223.22
  4. Step 4: Simplify right side
    4,788,435.06x = 19,026,823,726,445.05
  5. Step 5: Solve for x
    x = 19,026,823,726,445.05/4,788,435.06
  6. Step 6: Final answer
    x = 3,973,495.20

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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.