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Finding the Fourth Proportional to 6,799,603.60, 10,199,405.40 and 3,776,294.80

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Solution

The fourth proportional to 6,799,603.60, 10,199,405.40 and 3,776,294.80 is: 5,664,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799,603.60 : 10,199,405.40 = 3,776,294.80 : x
  2. Step 2: Convert to fraction form
    6,799,603.60/10,199,405.40 = 3,776,294.80/x
  3. Step 3: Cross multiply
    6,799,603.60x = 10,199,405.40 × 3,776,294.80
  4. Step 4: Simplify right side
    6,799,603.60x = 38,515,961,575,111.92
  5. Step 5: Solve for x
    x = 38,515,961,575,111.92/6,799,603.60
  6. Step 6: Final answer
    x = 5,664,442.20

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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.