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Finding the Fourth Proportional to 6,490,845.82, 8,956,894.72 and 3,590,285.13

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Solution

The fourth proportional to 6,490,845.82, 8,956,894.72 and 3,590,285.13 is: 4,954,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490,845.82 : 8,956,894.72 = 3,590,285.13 : x
  2. Step 2: Convert to fraction form
    6,490,845.82/8,956,894.72 = 3,590,285.13/x
  3. Step 3: Cross multiply
    6,490,845.82x = 8,956,894.72 × 3,590,285.13
  4. Step 4: Simplify right side
    6,490,845.82x = 32,157,805,957,236.53
  5. Step 5: Solve for x
    x = 32,157,805,957,236.53/6,490,845.82
  6. Step 6: Final answer
    x = 4,954,332.12

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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.