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Finding the Fourth Proportional to 2,848.45, 4,272.22 and 901.11

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Solution

The fourth proportional to 2,848.45, 4,272.22 and 901.11 is: 1,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.45 : 4,272.22 = 901.11 : x
  2. Step 2: Convert to fraction form
    2,848.45/4,272.22 = 901.11/x
  3. Step 3: Cross multiply
    2,848.45x = 4,272.22 × 901.11
  4. Step 4: Simplify right side
    2,848.45x = 3,849,740.16
  5. Step 5: Solve for x
    x = 3,849,740.16/2,848.45
  6. Step 6: Final answer
    x = 1,351.52

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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.