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Finding the Fourth Proportional to 18,168.24, 25,072.80 and 10,210.29

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Solution

The fourth proportional to 18,168.24, 25,072.80 and 10,210.29 is: 14,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.24 : 25,072.80 = 10,210.29 : x
  2. Step 2: Convert to fraction form
    18,168.24/25,072.80 = 10,210.29/x
  3. Step 3: Cross multiply
    18,168.24x = 25,072.80 × 10,210.29
  4. Step 4: Simplify right side
    18,168.24x = 256,000,559.11
  5. Step 5: Solve for x
    x = 256,000,559.11/18,168.24
  6. Step 6: Final answer
    x = 14,090.55

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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.