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Finding the Fourth Proportional to 1,841.24, 2,762.59 and 671.32

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Solution

The fourth proportional to 1,841.24, 2,762.59 and 671.32 is: 1,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.24 : 2,762.59 = 671.32 : x
  2. Step 2: Convert to fraction form
    1,841.24/2,762.59 = 671.32/x
  3. Step 3: Cross multiply
    1,841.24x = 2,762.59 × 671.32
  4. Step 4: Simplify right side
    1,841.24x = 1,854,573.33
  5. Step 5: Solve for x
    x = 1,854,573.33/1,841.24
  6. Step 6: Final answer
    x = 1,007.24

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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.