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Finding the Fourth Proportional to 3,009.84, 4,153.62 and 1,683.51

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Solution

The fourth proportional to 3,009.84, 4,153.62 and 1,683.51 is: 2,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.84 : 4,153.62 = 1,683.51 : x
  2. Step 2: Convert to fraction form
    3,009.84/4,153.62 = 1,683.51/x
  3. Step 3: Cross multiply
    3,009.84x = 4,153.62 × 1,683.51
  4. Step 4: Simplify right side
    3,009.84x = 6,992,660.81
  5. Step 5: Solve for x
    x = 6,992,660.81/3,009.84
  6. Step 6: Final answer
    x = 2,323.27

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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.