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Finding the Fourth Proportional to 18,608.16, 25,653.60 and 14,844.10

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Solution

The fourth proportional to 18,608.16, 25,653.60 and 14,844.10 is: 20,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.16 : 25,653.60 = 14,844.10 : x
  2. Step 2: Convert to fraction form
    18,608.16/25,653.60 = 14,844.10/x
  3. Step 3: Cross multiply
    18,608.16x = 25,653.60 × 14,844.10
  4. Step 4: Simplify right side
    18,608.16x = 380,804,603.76
  5. Step 5: Solve for x
    x = 380,804,603.76/18,608.16
  6. Step 6: Final answer
    x = 20,464.39

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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.