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Finding the Fourth Proportional to 1,758.58, 2,426.97 and 1,012.62

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Solution

The fourth proportional to 1,758.58, 2,426.97 and 1,012.62 is: 1,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.58 : 2,426.97 = 1,012.62 : x
  2. Step 2: Convert to fraction form
    1,758.58/2,426.97 = 1,012.62/x
  3. Step 3: Cross multiply
    1,758.58x = 2,426.97 × 1,012.62
  4. Step 4: Simplify right side
    1,758.58x = 2,457,598.36
  5. Step 5: Solve for x
    x = 2,457,598.36/1,758.58
  6. Step 6: Final answer
    x = 1,397.49

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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.