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Finding the Fourth Proportional to 4,968,755.88, 7,453,135.62 and 1,557,307.20

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Solution

The fourth proportional to 4,968,755.88, 7,453,135.62 and 1,557,307.20 is: 2,335,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968,755.88 : 7,453,135.62 = 1,557,307.20 : x
  2. Step 2: Convert to fraction form
    4,968,755.88/7,453,135.62 = 1,557,307.20/x
  3. Step 3: Cross multiply
    4,968,755.88x = 7,453,135.62 × 1,557,307.20
  4. Step 4: Simplify right side
    4,968,755.88x = 11,606,821,763,602.46
  5. Step 5: Solve for x
    x = 11,606,821,763,602.46/4,968,755.88
  6. Step 6: Final answer
    x = 2,335,961.36

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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.