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Finding the Fourth Proportional to 1,483.29, 2,047.08 and 894.31

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Solution

The fourth proportional to 1,483.29, 2,047.08 and 894.31 is: 1,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.29 : 2,047.08 = 894.31 : x
  2. Step 2: Convert to fraction form
    1,483.29/2,047.08 = 894.31/x
  3. Step 3: Cross multiply
    1,483.29x = 2,047.08 × 894.31
  4. Step 4: Simplify right side
    1,483.29x = 1,830,724.11
  5. Step 5: Solve for x
    x = 1,830,724.11/1,483.29
  6. Step 6: Final answer
    x = 1,234.23

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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.