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Finding the Fourth Proportional to 1,602.28, 2,210.34 and 973

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Solution

The fourth proportional to 1,602.28, 2,210.34 and 973 is: 1,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.28 : 2,210.34 = 973 : x
  2. Step 2: Convert to fraction form
    1,602.28/2,210.34 = 973/x
  3. Step 3: Cross multiply
    1,602.28x = 2,210.34 × 973
  4. Step 4: Simplify right side
    1,602.28x = 2,150,660.82
  5. Step 5: Solve for x
    x = 2,150,660.82/1,602.28
  6. Step 6: Final answer
    x = 1,342.25

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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.