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Finding the Fourth Proportional to 1,674.30, 2,514.30 and 933.60

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Solution

The fourth proportional to 1,674.30, 2,514.30 and 933.60 is: 1,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.30 : 2,514.30 = 933.60 : x
  2. Step 2: Convert to fraction form
    1,674.30/2,514.30 = 933.60/x
  3. Step 3: Cross multiply
    1,674.30x = 2,514.30 × 933.60
  4. Step 4: Simplify right side
    1,674.30x = 2,347,350.48
  5. Step 5: Solve for x
    x = 2,347,350.48/1,674.30
  6. Step 6: Final answer
    x = 1,401.99

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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.