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Finding the Fourth Proportional to 26,673.14, 40,009.72 and 9,143.12

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Solution

The fourth proportional to 26,673.14, 40,009.72 and 9,143.12 is: 13,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,673.14 : 40,009.72 = 9,143.12 : x
  2. Step 2: Convert to fraction form
    26,673.14/40,009.72 = 9,143.12/x
  3. Step 3: Cross multiply
    26,673.14x = 40,009.72 × 9,143.12
  4. Step 4: Simplify right side
    26,673.14x = 365,813,671.13
  5. Step 5: Solve for x
    x = 365,813,671.13/26,673.14
  6. Step 6: Final answer
    x = 13,714.68

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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.