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Finding the Fourth Proportional to 18,101.51, 24,980.57 and 10,144.24

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Solution

The fourth proportional to 18,101.51, 24,980.57 and 10,144.24 is: 13,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.51 : 24,980.57 = 10,144.24 : x
  2. Step 2: Convert to fraction form
    18,101.51/24,980.57 = 10,144.24/x
  3. Step 3: Cross multiply
    18,101.51x = 24,980.57 × 10,144.24
  4. Step 4: Simplify right side
    18,101.51x = 253,408,822.29
  5. Step 5: Solve for x
    x = 253,408,822.29/18,101.51
  6. Step 6: Final answer
    x = 13,999.32

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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.