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Finding the Fourth Proportional to 3,553.29, 5,329.58 and 956.07

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Solution

The fourth proportional to 3,553.29, 5,329.58 and 956.07 is: 1,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.29 : 5,329.58 = 956.07 : x
  2. Step 2: Convert to fraction form
    3,553.29/5,329.58 = 956.07/x
  3. Step 3: Cross multiply
    3,553.29x = 5,329.58 × 956.07
  4. Step 4: Simplify right side
    3,553.29x = 5,095,446.77
  5. Step 5: Solve for x
    x = 5,095,446.77/3,553.29
  6. Step 6: Final answer
    x = 1,434.01

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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.