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Finding the Fourth Proportional to 2,994.84, 4,132.85 and 1,668.69

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Solution

The fourth proportional to 2,994.84, 4,132.85 and 1,668.69 is: 2,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.84 : 4,132.85 = 1,668.69 : x
  2. Step 2: Convert to fraction form
    2,994.84/4,132.85 = 1,668.69/x
  3. Step 3: Cross multiply
    2,994.84x = 4,132.85 × 1,668.69
  4. Step 4: Simplify right side
    2,994.84x = 6,896,437.12
  5. Step 5: Solve for x
    x = 6,896,437.12/2,994.84
  6. Step 6: Final answer
    x = 2,302.77

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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.