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Finding the Fourth Proportional to 1,754.13, 2,421.04 and 1,008.58

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Solution

The fourth proportional to 1,754.13, 2,421.04 and 1,008.58 is: 1,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.13 : 2,421.04 = 1,008.58 : x
  2. Step 2: Convert to fraction form
    1,754.13/2,421.04 = 1,008.58/x
  3. Step 3: Cross multiply
    1,754.13x = 2,421.04 × 1,008.58
  4. Step 4: Simplify right side
    1,754.13x = 2,441,803.57
  5. Step 5: Solve for x
    x = 2,441,803.57/1,754.13
  6. Step 6: Final answer
    x = 1,392.03

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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.