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Finding the Fourth Proportional to 2,894.65, 3,994.62 and 1,568.35

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Solution

The fourth proportional to 2,894.65, 3,994.62 and 1,568.35 is: 2,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.65 : 3,994.62 = 1,568.35 : x
  2. Step 2: Convert to fraction form
    2,894.65/3,994.62 = 1,568.35/x
  3. Step 3: Cross multiply
    2,894.65x = 3,994.62 × 1,568.35
  4. Step 4: Simplify right side
    2,894.65x = 6,264,962.28
  5. Step 5: Solve for x
    x = 6,264,962.28/2,894.65
  6. Step 6: Final answer
    x = 2,164.32

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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.