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Finding the Fourth Proportional to 18,602.83, 25,670.67 and 11,048.77

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Solution

The fourth proportional to 18,602.83, 25,670.67 and 11,048.77 is: 15,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.83 : 25,670.67 = 11,048.77 : x
  2. Step 2: Convert to fraction form
    18,602.83/25,670.67 = 11,048.77/x
  3. Step 3: Cross multiply
    18,602.83x = 25,670.67 × 11,048.77
  4. Step 4: Simplify right side
    18,602.83x = 283,629,328.58
  5. Step 5: Solve for x
    x = 283,629,328.58/18,602.83
  6. Step 6: Final answer
    x = 15,246.57

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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.