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Finding the Fourth Proportional to 1,750.41, 2,621.57 and 928.26

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Solution

The fourth proportional to 1,750.41, 2,621.57 and 928.26 is: 1,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.41 : 2,621.57 = 928.26 : x
  2. Step 2: Convert to fraction form
    1,750.41/2,621.57 = 928.26/x
  3. Step 3: Cross multiply
    1,750.41x = 2,621.57 × 928.26
  4. Step 4: Simplify right side
    1,750.41x = 2,433,493.93
  5. Step 5: Solve for x
    x = 2,433,493.93/1,750.41
  6. Step 6: Final answer
    x = 1,390.24

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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.