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Finding the Fourth Proportional to 1,588.59, 2,192.36 and 880.46

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Solution

The fourth proportional to 1,588.59, 2,192.36 and 880.46 is: 1,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.59 : 2,192.36 = 880.46 : x
  2. Step 2: Convert to fraction form
    1,588.59/2,192.36 = 880.46/x
  3. Step 3: Cross multiply
    1,588.59x = 2,192.36 × 880.46
  4. Step 4: Simplify right side
    1,588.59x = 1,930,269.92
  5. Step 5: Solve for x
    x = 1,930,269.92/1,588.59
  6. Step 6: Final answer
    x = 1,215.08

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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.