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Finding the Fourth Proportional to 2,010.95, 2,775.01 and 1,114.64

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Solution

The fourth proportional to 2,010.95, 2,775.01 and 1,114.64 is: 1,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.95 : 2,775.01 = 1,114.64 : x
  2. Step 2: Convert to fraction form
    2,010.95/2,775.01 = 1,114.64/x
  3. Step 3: Cross multiply
    2,010.95x = 2,775.01 × 1,114.64
  4. Step 4: Simplify right side
    2,010.95x = 3,093,137.15
  5. Step 5: Solve for x
    x = 3,093,137.15/2,010.95
  6. Step 6: Final answer
    x = 1,538.15

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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.