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Finding the Fourth Proportional to 6,607,830.40, 9,908,793.15 and 2,562,973.90

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Solution

The fourth proportional to 6,607,830.40, 9,908,793.15 and 2,562,973.90 is: 3,843,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607,830.40 : 9,908,793.15 = 2,562,973.90 : x
  2. Step 2: Convert to fraction form
    6,607,830.40/9,908,793.15 = 2,562,973.90/x
  3. Step 3: Cross multiply
    6,607,830.40x = 9,908,793.15 × 2,562,973.90
  4. Step 4: Simplify right side
    6,607,830.40x = 25,395,978,223,948.79
  5. Step 5: Solve for x
    x = 25,395,978,223,948.79/6,607,830.40
  6. Step 6: Final answer
    x = 3,843,315.69

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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.