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Finding the Fourth Proportional to 1,706.92, 2,355.52 and 1,043.68

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Solution

The fourth proportional to 1,706.92, 2,355.52 and 1,043.68 is: 1,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.92 : 2,355.52 = 1,043.68 : x
  2. Step 2: Convert to fraction form
    1,706.92/2,355.52 = 1,043.68/x
  3. Step 3: Cross multiply
    1,706.92x = 2,355.52 × 1,043.68
  4. Step 4: Simplify right side
    1,706.92x = 2,458,409.11
  5. Step 5: Solve for x
    x = 2,458,409.11/1,706.92
  6. Step 6: Final answer
    x = 1,440.26

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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.