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Finding the Fourth Proportional to 2,844.76, 4,267.14 and 897.12

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Solution

The fourth proportional to 2,844.76, 4,267.14 and 897.12 is: 1,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.76 : 4,267.14 = 897.12 : x
  2. Step 2: Convert to fraction form
    2,844.76/4,267.14 = 897.12/x
  3. Step 3: Cross multiply
    2,844.76x = 4,267.14 × 897.12
  4. Step 4: Simplify right side
    2,844.76x = 3,828,127.58
  5. Step 5: Solve for x
    x = 3,828,127.58/2,844.76
  6. Step 6: Final answer
    x = 1,345.68

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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.