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Finding the Fourth Proportional to 3,573.99, 5,360.99 and 976.91

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Solution

The fourth proportional to 3,573.99, 5,360.99 and 976.91 is: 1,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.99 : 5,360.99 = 976.91 : x
  2. Step 2: Convert to fraction form
    3,573.99/5,360.99 = 976.91/x
  3. Step 3: Cross multiply
    3,573.99x = 5,360.99 × 976.91
  4. Step 4: Simplify right side
    3,573.99x = 5,237,173.05
  5. Step 5: Solve for x
    x = 5,237,173.05/3,573.99
  6. Step 6: Final answer
    x = 1,465.36

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1.5x scale

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.