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Finding the Fourth Proportional to 1,491.84, 2,058.74 and 894.44

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Solution

The fourth proportional to 1,491.84, 2,058.74 and 894.44 is: 1,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.84 : 2,058.74 = 894.44 : x
  2. Step 2: Convert to fraction form
    1,491.84/2,058.74 = 894.44/x
  3. Step 3: Cross multiply
    1,491.84x = 2,058.74 × 894.44
  4. Step 4: Simplify right side
    1,491.84x = 1,841,420.08
  5. Step 5: Solve for x
    x = 1,841,420.08/1,491.84
  6. Step 6: Final answer
    x = 1,234.33

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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.