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Finding the Fourth Proportional to 1,888.76, 2,600.42 and 1,847.46

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Solution

The fourth proportional to 1,888.76, 2,600.42 and 1,847.46 is: 2,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.76 : 2,600.42 = 1,847.46 : x
  2. Step 2: Convert to fraction form
    1,888.76/2,600.42 = 1,847.46/x
  3. Step 3: Cross multiply
    1,888.76x = 2,600.42 × 1,847.46
  4. Step 4: Simplify right side
    1,888.76x = 4,804,171.93
  5. Step 5: Solve for x
    x = 4,804,171.93/1,888.76
  6. Step 6: Final answer
    x = 2,543.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.