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Finding the Fourth Proportional to 70,673.64, 106,014.06 and 18,083.58

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Solution

The fourth proportional to 70,673.64, 106,014.06 and 18,083.58 is: 27,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,673.64 : 106,014.06 = 18,083.58 : x
  2. Step 2: Convert to fraction form
    70,673.64/106,014.06 = 18,083.58/x
  3. Step 3: Cross multiply
    70,673.64x = 106,014.06 × 18,083.58
  4. Step 4: Simplify right side
    70,673.64x = 1,917,113,735.13
  5. Step 5: Solve for x
    x = 1,917,113,735.13/70,673.64
  6. Step 6: Final answer
    x = 27,126.29

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1.5x scale

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.