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Finding the Fourth Proportional to 3,570.96, 5,356.44 and 973.90

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Solution

The fourth proportional to 3,570.96, 5,356.44 and 973.90 is: 1,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.96 : 5,356.44 = 973.90 : x
  2. Step 2: Convert to fraction form
    3,570.96/5,356.44 = 973.90/x
  3. Step 3: Cross multiply
    3,570.96x = 5,356.44 × 973.90
  4. Step 4: Simplify right side
    3,570.96x = 5,216,629.92
  5. Step 5: Solve for x
    x = 5,216,629.92/3,570.96
  6. Step 6: Final answer
    x = 1,460.85

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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.