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Finding the Fourth Proportional to 1,751.04, 2,627.35 and 655.49

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Solution

The fourth proportional to 1,751.04, 2,627.35 and 655.49 is: 983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.04 : 2,627.35 = 655.49 : x
  2. Step 2: Convert to fraction form
    1,751.04/2,627.35 = 655.49/x
  3. Step 3: Cross multiply
    1,751.04x = 2,627.35 × 655.49
  4. Step 4: Simplify right side
    1,751.04x = 1,722,188.51
  5. Step 5: Solve for x
    x = 1,722,188.51/1,751.04
  6. Step 6: Final answer
    x = 983.53

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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.