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Finding the Fourth Proportional to 1,759.65, 2,427.94 and 1,051.30

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Solution

The fourth proportional to 1,759.65, 2,427.94 and 1,051.30 is: 1,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.65 : 2,427.94 = 1,051.30 : x
  2. Step 2: Convert to fraction form
    1,759.65/2,427.94 = 1,051.30/x
  3. Step 3: Cross multiply
    1,759.65x = 2,427.94 × 1,051.30
  4. Step 4: Simplify right side
    1,759.65x = 2,552,493.32
  5. Step 5: Solve for x
    x = 2,552,493.32/1,759.65
  6. Step 6: Final answer
    x = 1,450.57

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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.