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Finding the Fourth Proportional to 2,047.56, 3,071.34 and 893.04

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Solution

The fourth proportional to 2,047.56, 3,071.34 and 893.04 is: 1,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.56 : 3,071.34 = 893.04 : x
  2. Step 2: Convert to fraction form
    2,047.56/3,071.34 = 893.04/x
  3. Step 3: Cross multiply
    2,047.56x = 3,071.34 × 893.04
  4. Step 4: Simplify right side
    2,047.56x = 2,742,829.47
  5. Step 5: Solve for x
    x = 2,742,829.47/2,047.56
  6. Step 6: Final answer
    x = 1,339.56

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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.