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Finding the Fourth Proportional to 2,842.84, 4,264.74 and 894.88

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Solution

The fourth proportional to 2,842.84, 4,264.74 and 894.88 is: 1,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.84 : 4,264.74 = 894.88 : x
  2. Step 2: Convert to fraction form
    2,842.84/4,264.74 = 894.88/x
  3. Step 3: Cross multiply
    2,842.84x = 4,264.74 × 894.88
  4. Step 4: Simplify right side
    2,842.84x = 3,816,430.53
  5. Step 5: Solve for x
    x = 3,816,430.53/2,842.84
  6. Step 6: Final answer
    x = 1,342.47

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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.