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Finding the Fourth Proportional to 26,806.36, 36,993 and 14,870.48

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Solution

The fourth proportional to 26,806.36, 36,993 and 14,870.48 is: 20,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.36 : 36,993 = 14,870.48 : x
  2. Step 2: Convert to fraction form
    26,806.36/36,993 = 14,870.48/x
  3. Step 3: Cross multiply
    26,806.36x = 36,993 × 14,870.48
  4. Step 4: Simplify right side
    26,806.36x = 550,103,666.64
  5. Step 5: Solve for x
    x = 550,103,666.64/26,806.36
  6. Step 6: Final answer
    x = 20,521.39

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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.