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Finding the Fourth Proportional to 3,061.99, 4,225.53 and 1,664.74

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Solution

The fourth proportional to 3,061.99, 4,225.53 and 1,664.74 is: 2,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.99 : 4,225.53 = 1,664.74 : x
  2. Step 2: Convert to fraction form
    3,061.99/4,225.53 = 1,664.74/x
  3. Step 3: Cross multiply
    3,061.99x = 4,225.53 × 1,664.74
  4. Step 4: Simplify right side
    3,061.99x = 7,034,408.81
  5. Step 5: Solve for x
    x = 7,034,408.81/3,061.99
  6. Step 6: Final answer
    x = 2,297.33

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1.5x scale

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.