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Finding the Fourth Proportional to 1,742.24, 2,404.14 and 956.09

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Solution

The fourth proportional to 1,742.24, 2,404.14 and 956.09 is: 1,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.24 : 2,404.14 = 956.09 : x
  2. Step 2: Convert to fraction form
    1,742.24/2,404.14 = 956.09/x
  3. Step 3: Cross multiply
    1,742.24x = 2,404.14 × 956.09
  4. Step 4: Simplify right side
    1,742.24x = 2,298,574.21
  5. Step 5: Solve for x
    x = 2,298,574.21/1,742.24
  6. Step 6: Final answer
    x = 1,319.32

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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.