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Finding the Fourth Proportional to 1,588.48, 2,192.46 and 925.46

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Solution

The fourth proportional to 1,588.48, 2,192.46 and 925.46 is: 1,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.48 : 2,192.46 = 925.46 : x
  2. Step 2: Convert to fraction form
    1,588.48/2,192.46 = 925.46/x
  3. Step 3: Cross multiply
    1,588.48x = 2,192.46 × 925.46
  4. Step 4: Simplify right side
    1,588.48x = 2,029,034.03
  5. Step 5: Solve for x
    x = 2,029,034.03/1,588.48
  6. Step 6: Final answer
    x = 1,277.34

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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.