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Finding the Fourth Proportional to 1,706.51, 2,559.77 and 975.57

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Solution

The fourth proportional to 1,706.51, 2,559.77 and 975.57 is: 1,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.51 : 2,559.77 = 975.57 : x
  2. Step 2: Convert to fraction form
    1,706.51/2,559.77 = 975.57/x
  3. Step 3: Cross multiply
    1,706.51x = 2,559.77 × 975.57
  4. Step 4: Simplify right side
    1,706.51x = 2,497,229.94
  5. Step 5: Solve for x
    x = 2,497,229.94/1,706.51
  6. Step 6: Final answer
    x = 1,463.36

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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.