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Finding the Fourth Proportional to 3,555, 4,903.56 and 2,295.72

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Solution

The fourth proportional to 3,555, 4,903.56 and 2,295.72 is: 3,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555 : 4,903.56 = 2,295.72 : x
  2. Step 2: Convert to fraction form
    3,555/4,903.56 = 2,295.72/x
  3. Step 3: Cross multiply
    3,555x = 4,903.56 × 2,295.72
  4. Step 4: Simplify right side
    3,555x = 11,257,200.76
  5. Step 5: Solve for x
    x = 11,257,200.76/3,555
  6. Step 6: Final answer
    x = 3,166.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.