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Finding the Fourth Proportional to 18,697.05, 25,802.75 and 10,741.77

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Solution

The fourth proportional to 18,697.05, 25,802.75 and 10,741.77 is: 14,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.05 : 25,802.75 = 10,741.77 : x
  2. Step 2: Convert to fraction form
    18,697.05/25,802.75 = 10,741.77/x
  3. Step 3: Cross multiply
    18,697.05x = 25,802.75 × 10,741.77
  4. Step 4: Simplify right side
    18,697.05x = 277,167,232.72
  5. Step 5: Solve for x
    x = 277,167,232.72/18,697.05
  6. Step 6: Final answer
    x = 14,824.12

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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.