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Finding the Fourth Proportional to 1,588.36, 2,192.16 and 958.92

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Solution

The fourth proportional to 1,588.36, 2,192.16 and 958.92 is: 1,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.36 : 2,192.16 = 958.92 : x
  2. Step 2: Convert to fraction form
    1,588.36/2,192.16 = 958.92/x
  3. Step 3: Cross multiply
    1,588.36x = 2,192.16 × 958.92
  4. Step 4: Simplify right side
    1,588.36x = 2,102,106.07
  5. Step 5: Solve for x
    x = 2,102,106.07/1,588.36
  6. Step 6: Final answer
    x = 1,323.44

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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.