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Finding the Fourth Proportional to 18,042.94, 24,899.29 and 10,085.16

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Solution

The fourth proportional to 18,042.94, 24,899.29 and 10,085.16 is: 13,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.94 : 24,899.29 = 10,085.16 : x
  2. Step 2: Convert to fraction form
    18,042.94/24,899.29 = 10,085.16/x
  3. Step 3: Cross multiply
    18,042.94x = 24,899.29 × 10,085.16
  4. Step 4: Simplify right side
    18,042.94x = 251,113,315.02
  5. Step 5: Solve for x
    x = 251,113,315.02/18,042.94
  6. Step 6: Final answer
    x = 13,917.54

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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.