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Finding the Fourth Proportional to 1,598.72, 2,206.18 and 900.08

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Solution

The fourth proportional to 1,598.72, 2,206.18 and 900.08 is: 1,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.72 : 2,206.18 = 900.08 : x
  2. Step 2: Convert to fraction form
    1,598.72/2,206.18 = 900.08/x
  3. Step 3: Cross multiply
    1,598.72x = 2,206.18 × 900.08
  4. Step 4: Simplify right side
    1,598.72x = 1,985,738.49
  5. Step 5: Solve for x
    x = 1,985,738.49/1,598.72
  6. Step 6: Final answer
    x = 1,242.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.