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Finding the Fourth Proportional to 1,774.51, 2,675.05 and 1,655.58

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Solution

The fourth proportional to 1,774.51, 2,675.05 and 1,655.58 is: 2,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.51 : 2,675.05 = 1,655.58 : x
  2. Step 2: Convert to fraction form
    1,774.51/2,675.05 = 1,655.58/x
  3. Step 3: Cross multiply
    1,774.51x = 2,675.05 × 1,655.58
  4. Step 4: Simplify right side
    1,774.51x = 4,428,759.28
  5. Step 5: Solve for x
    x = 4,428,759.28/1,774.51
  6. Step 6: Final answer
    x = 2,495.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.