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Finding the Fourth Proportional to 2,612.99, 3,606.00 and 1,434.14

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Solution

The fourth proportional to 2,612.99, 3,606.00 and 1,434.14 is: 1,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.99 : 3,606.00 = 1,434.14 : x
  2. Step 2: Convert to fraction form
    2,612.99/3,606.00 = 1,434.14/x
  3. Step 3: Cross multiply
    2,612.99x = 3,606.00 × 1,434.14
  4. Step 4: Simplify right side
    2,612.99x = 5,171,483.64
  5. Step 5: Solve for x
    x = 5,171,483.64/2,612.99
  6. Step 6: Final answer
    x = 1,979.15

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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.