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Finding the Fourth Proportional to 1,750.16, 2,623.41 and 654.03

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Solution

The fourth proportional to 1,750.16, 2,623.41 and 654.03 is: 980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.16 : 2,623.41 = 654.03 : x
  2. Step 2: Convert to fraction form
    1,750.16/2,623.41 = 654.03/x
  3. Step 3: Cross multiply
    1,750.16x = 2,623.41 × 654.03
  4. Step 4: Simplify right side
    1,750.16x = 1,715,788.84
  5. Step 5: Solve for x
    x = 1,715,788.84/1,750.16
  6. Step 6: Final answer
    x = 980.36

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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.