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Finding the Fourth Proportional to 35,317,690.70, 49,331,392.90 and 35,317,690.70

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Solution

The fourth proportional to 35,317,690.70, 49,331,392.90 and 35,317,690.70 is: 49,331,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,317,690.70 : 49,331,392.90 = 35,317,690.70 : x
  2. Step 2: Convert to fraction form
    35,317,690.70/49,331,392.90 = 35,317,690.70/x
  3. Step 3: Cross multiply
    35,317,690.70x = 49,331,392.90 × 35,317,690.70
  4. Step 4: Simplify right side
    35,317,690.70x = 1,742,270,876,242,376
  5. Step 5: Solve for x
    x = 1,742,270,876,242,376/35,317,690.70
  6. Step 6: Final answer
    x = 49,331,392.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.