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Finding the Fourth Proportional to 6,503,807.36, 8,974,900.68 and 3,603,025.22

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Solution

The fourth proportional to 6,503,807.36, 8,974,900.68 and 3,603,025.22 is: 4,971,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503,807.36 : 8,974,900.68 = 3,603,025.22 : x
  2. Step 2: Convert to fraction form
    6,503,807.36/8,974,900.68 = 3,603,025.22/x
  3. Step 3: Cross multiply
    6,503,807.36x = 8,974,900.68 × 3,603,025.22
  4. Step 4: Simplify right side
    6,503,807.36x = 32,336,793,497,035.15
  5. Step 5: Solve for x
    x = 32,336,793,497,035.15/6,503,807.36
  6. Step 6: Final answer
    x = 4,971,978.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.