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Finding the Fourth Proportional to 3,028.77, 4,543.38 and 837.50

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Solution

The fourth proportional to 3,028.77, 4,543.38 and 837.50 is: 1,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.77 : 4,543.38 = 837.50 : x
  2. Step 2: Convert to fraction form
    3,028.77/4,543.38 = 837.50/x
  3. Step 3: Cross multiply
    3,028.77x = 4,543.38 × 837.50
  4. Step 4: Simplify right side
    3,028.77x = 3,805,058.03
  5. Step 5: Solve for x
    x = 3,805,058.03/3,028.77
  6. Step 6: Final answer
    x = 1,256.30

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Double scale
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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.