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Finding the Fourth Proportional to 2,746.63, 4,120.26 and 897.22

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Solution

The fourth proportional to 2,746.63, 4,120.26 and 897.22 is: 1,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.63 : 4,120.26 = 897.22 : x
  2. Step 2: Convert to fraction form
    2,746.63/4,120.26 = 897.22/x
  3. Step 3: Cross multiply
    2,746.63x = 4,120.26 × 897.22
  4. Step 4: Simplify right side
    2,746.63x = 3,696,779.68
  5. Step 5: Solve for x
    x = 3,696,779.68/2,746.63
  6. Step 6: Final answer
    x = 1,345.93

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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.