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Finding the Fourth Proportional to 8,807,698.70, 13,211,548.05 and 7,464,005.90

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Solution

The fourth proportional to 8,807,698.70, 13,211,548.05 and 7,464,005.90 is: 11,196,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807,698.70 : 13,211,548.05 = 7,464,005.90 : x
  2. Step 2: Convert to fraction form
    8,807,698.70/13,211,548.05 = 7,464,005.90/x
  3. Step 3: Cross multiply
    8,807,698.70x = 13,211,548.05 × 7,464,005.90
  4. Step 4: Simplify right side
    8,807,698.70x = 98,611,072,593,333.50
  5. Step 5: Solve for x
    x = 98,611,072,593,333.50/8,807,698.70
  6. Step 6: Final answer
    x = 11,196,008.85

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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.