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Finding the Fourth Proportional to 2,908.51, 4,014.13 and 2,829.35

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Solution

The fourth proportional to 2,908.51, 4,014.13 and 2,829.35 is: 3,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.51 : 4,014.13 = 2,829.35 : x
  2. Step 2: Convert to fraction form
    2,908.51/4,014.13 = 2,829.35/x
  3. Step 3: Cross multiply
    2,908.51x = 4,014.13 × 2,829.35
  4. Step 4: Simplify right side
    2,908.51x = 11,357,344.50
  5. Step 5: Solve for x
    x = 11,357,344.50/2,908.51
  6. Step 6: Final answer
    x = 3,904.87

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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.