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Finding the Fourth Proportional to 18,400.51, 25,396.03 and 10,846.41

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Solution

The fourth proportional to 18,400.51, 25,396.03 and 10,846.41 is: 14,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.51 : 25,396.03 = 10,846.41 : x
  2. Step 2: Convert to fraction form
    18,400.51/25,396.03 = 10,846.41/x
  3. Step 3: Cross multiply
    18,400.51x = 25,396.03 × 10,846.41
  4. Step 4: Simplify right side
    18,400.51x = 275,455,599.66
  5. Step 5: Solve for x
    x = 275,455,599.66/18,400.51
  6. Step 6: Final answer
    x = 14,970.00

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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.