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Finding the Fourth Proportional to 2,904.93, 4,357.94 and 957.69

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Solution

The fourth proportional to 2,904.93, 4,357.94 and 957.69 is: 1,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.93 : 4,357.94 = 957.69 : x
  2. Step 2: Convert to fraction form
    2,904.93/4,357.94 = 957.69/x
  3. Step 3: Cross multiply
    2,904.93x = 4,357.94 × 957.69
  4. Step 4: Simplify right side
    2,904.93x = 4,173,550.77
  5. Step 5: Solve for x
    x = 4,173,550.77/2,904.93
  6. Step 6: Final answer
    x = 1,436.71

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1.5x scale

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.