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Finding the Fourth Proportional to 1,673.95, 2,506.81 and 1,152.49

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Solution

The fourth proportional to 1,673.95, 2,506.81 and 1,152.49 is: 1,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.95 : 2,506.81 = 1,152.49 : x
  2. Step 2: Convert to fraction form
    1,673.95/2,506.81 = 1,152.49/x
  3. Step 3: Cross multiply
    1,673.95x = 2,506.81 × 1,152.49
  4. Step 4: Simplify right side
    1,673.95x = 2,889,073.46
  5. Step 5: Solve for x
    x = 2,889,073.46/1,673.95
  6. Step 6: Final answer
    x = 1,725.90

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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.