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Finding the Fourth Proportional to 6,739,893.70, 10,109,840.55 and 6,068,047.30

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Solution

The fourth proportional to 6,739,893.70, 10,109,840.55 and 6,068,047.30 is: 9,102,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,893.70 : 10,109,840.55 = 6,068,047.30 : x
  2. Step 2: Convert to fraction form
    6,739,893.70/10,109,840.55 = 6,068,047.30/x
  3. Step 3: Cross multiply
    6,739,893.70x = 10,109,840.55 × 6,068,047.30
  4. Step 4: Simplify right side
    6,739,893.70x = 61,346,990,652,858.02
  5. Step 5: Solve for x
    x = 61,346,990,652,858.02/6,739,893.70
  6. Step 6: Final answer
    x = 9,102,070.95

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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.