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Finding the Fourth Proportional to 2,596.04, 3,894.57 and 841.49

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Solution

The fourth proportional to 2,596.04, 3,894.57 and 841.49 is: 1,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.04 : 3,894.57 = 841.49 : x
  2. Step 2: Convert to fraction form
    2,596.04/3,894.57 = 841.49/x
  3. Step 3: Cross multiply
    2,596.04x = 3,894.57 × 841.49
  4. Step 4: Simplify right side
    2,596.04x = 3,277,222.24
  5. Step 5: Solve for x
    x = 3,277,222.24/2,596.04
  6. Step 6: Final answer
    x = 1,262.40

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Half scale
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Double scale
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Similar ratio
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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.