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Finding the Fourth Proportional to 3,554.91, 5,332.38 and 957.84

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Solution

The fourth proportional to 3,554.91, 5,332.38 and 957.84 is: 1,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.91 : 5,332.38 = 957.84 : x
  2. Step 2: Convert to fraction form
    3,554.91/5,332.38 = 957.84/x
  3. Step 3: Cross multiply
    3,554.91x = 5,332.38 × 957.84
  4. Step 4: Simplify right side
    3,554.91x = 5,107,566.86
  5. Step 5: Solve for x
    x = 5,107,566.86/3,554.91
  6. Step 6: Final answer
    x = 1,436.76

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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.