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Finding the Fourth Proportional to 6,957.90, 9,605.79 and 4,836.51

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Solution

The fourth proportional to 6,957.90, 9,605.79 and 4,836.51 is: 6,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.90 : 9,605.79 = 4,836.51 : x
  2. Step 2: Convert to fraction form
    6,957.90/9,605.79 = 4,836.51/x
  3. Step 3: Cross multiply
    6,957.90x = 9,605.79 × 4,836.51
  4. Step 4: Simplify right side
    6,957.90x = 46,458,499.39
  5. Step 5: Solve for x
    x = 46,458,499.39/6,957.90
  6. Step 6: Final answer
    x = 6,677.09

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1.5x scale

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.