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Finding the Fourth Proportional to 1,588.47, 2,192.10 and 880.33

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Solution

The fourth proportional to 1,588.47, 2,192.10 and 880.33 is: 1,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.47 : 2,192.10 = 880.33 : x
  2. Step 2: Convert to fraction form
    1,588.47/2,192.10 = 880.33/x
  3. Step 3: Cross multiply
    1,588.47x = 2,192.10 × 880.33
  4. Step 4: Simplify right side
    1,588.47x = 1,929,769.21
  5. Step 5: Solve for x
    x = 1,929,769.21/1,588.47
  6. Step 6: Final answer
    x = 1,214.86

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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.