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Finding the Fourth Proportional to 26,445, 36,477 and 18,484.32

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Solution

The fourth proportional to 26,445, 36,477 and 18,484.32 is: 25,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445 : 36,477 = 18,484.32 : x
  2. Step 2: Convert to fraction form
    26,445/36,477 = 18,484.32/x
  3. Step 3: Cross multiply
    26,445x = 36,477 × 18,484.32
  4. Step 4: Simplify right side
    26,445x = 674,252,540.64
  5. Step 5: Solve for x
    x = 674,252,540.64/26,445
  6. Step 6: Final answer
    x = 25,496.41

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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.