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Finding the Fourth Proportional to 1,867.97, 2,802.56 and 894.14

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Solution

The fourth proportional to 1,867.97, 2,802.56 and 894.14 is: 1,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.97 : 2,802.56 = 894.14 : x
  2. Step 2: Convert to fraction form
    1,867.97/2,802.56 = 894.14/x
  3. Step 3: Cross multiply
    1,867.97x = 2,802.56 × 894.14
  4. Step 4: Simplify right side
    1,867.97x = 2,505,883.53
  5. Step 5: Solve for x
    x = 2,505,883.53/1,867.97
  6. Step 6: Final answer
    x = 1,341.50

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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.