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Finding the Fourth Proportional to 1,748.93, 2,622.73 and 578.58

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Solution

The fourth proportional to 1,748.93, 2,622.73 and 578.58 is: 867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.93 : 2,622.73 = 578.58 : x
  2. Step 2: Convert to fraction form
    1,748.93/2,622.73 = 578.58/x
  3. Step 3: Cross multiply
    1,748.93x = 2,622.73 × 578.58
  4. Step 4: Simplify right side
    1,748.93x = 1,517,465.68
  5. Step 5: Solve for x
    x = 1,517,465.68/1,748.93
  6. Step 6: Final answer
    x = 867.65

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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.