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Finding the Fourth Proportional to 6,360,891.60, 8,755,869.60 and 5,543,690.52

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Solution

The fourth proportional to 6,360,891.60, 8,755,869.60 and 5,543,690.52 is: 7,630,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360,891.60 : 8,755,869.60 = 5,543,690.52 : x
  2. Step 2: Convert to fraction form
    6,360,891.60/8,755,869.60 = 5,543,690.52/x
  3. Step 3: Cross multiply
    6,360,891.60x = 8,755,869.60 × 5,543,690.52
  4. Step 4: Simplify right side
    6,360,891.60x = 48,539,831,295,876.19
  5. Step 5: Solve for x
    x = 48,539,831,295,876.19/6,360,891.60
  6. Step 6: Final answer
    x = 7,630,979.17

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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.