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Finding the Fourth Proportional to 1,595.25, 2,392.88 and 441

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Solution

The fourth proportional to 1,595.25, 2,392.88 and 441 is: 661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.25 : 2,392.88 = 441 : x
  2. Step 2: Convert to fraction form
    1,595.25/2,392.88 = 441/x
  3. Step 3: Cross multiply
    1,595.25x = 2,392.88 × 441
  4. Step 4: Simplify right side
    1,595.25x = 1,055,260.08
  5. Step 5: Solve for x
    x = 1,055,260.08/1,595.25
  6. Step 6: Final answer
    x = 661.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.