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Finding the Fourth Proportional to 7,776,266.90, 11,664,400.35 and 2,097,065.30

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Solution

The fourth proportional to 7,776,266.90, 11,664,400.35 and 2,097,065.30 is: 3,145,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,266.90 : 11,664,400.35 = 2,097,065.30 : x
  2. Step 2: Convert to fraction form
    7,776,266.90/11,664,400.35 = 2,097,065.30/x
  3. Step 3: Cross multiply
    7,776,266.90x = 11,664,400.35 × 2,097,065.30
  4. Step 4: Simplify right side
    7,776,266.90x = 24,461,009,219,292.86
  5. Step 5: Solve for x
    x = 24,461,009,219,292.86/7,776,266.90
  6. Step 6: Final answer
    x = 3,145,597.95

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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.