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Finding the Fourth Proportional to 3,062.99, 4,590.43 and 1,113.32

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Solution

The fourth proportional to 3,062.99, 4,590.43 and 1,113.32 is: 1,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.99 : 4,590.43 = 1,113.32 : x
  2. Step 2: Convert to fraction form
    3,062.99/4,590.43 = 1,113.32/x
  3. Step 3: Cross multiply
    3,062.99x = 4,590.43 × 1,113.32
  4. Step 4: Simplify right side
    3,062.99x = 5,110,617.53
  5. Step 5: Solve for x
    x = 5,110,617.53/3,062.99
  6. Step 6: Final answer
    x = 1,668.51

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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.