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Finding the Fourth Proportional to 2,709.84, 4,064.76 and 2,534.88

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Solution

The fourth proportional to 2,709.84, 4,064.76 and 2,534.88 is: 3,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.84 : 4,064.76 = 2,534.88 : x
  2. Step 2: Convert to fraction form
    2,709.84/4,064.76 = 2,534.88/x
  3. Step 3: Cross multiply
    2,709.84x = 4,064.76 × 2,534.88
  4. Step 4: Simplify right side
    2,709.84x = 10,303,678.83
  5. Step 5: Solve for x
    x = 10,303,678.83/2,709.84
  6. Step 6: Final answer
    x = 3,802.32

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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.