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Finding the Fourth Proportional to 1,202.04, 1,656.72 and 1,016.01

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Solution

The fourth proportional to 1,202.04, 1,656.72 and 1,016.01 is: 1,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.04 : 1,656.72 = 1,016.01 : x
  2. Step 2: Convert to fraction form
    1,202.04/1,656.72 = 1,016.01/x
  3. Step 3: Cross multiply
    1,202.04x = 1,656.72 × 1,016.01
  4. Step 4: Simplify right side
    1,202.04x = 1,683,244.09
  5. Step 5: Solve for x
    x = 1,683,244.09/1,202.04
  6. Step 6: Final answer
    x = 1,400.32

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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.