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Finding the Fourth Proportional to 18,300.08, 25,254 and 10,233.72

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Solution

The fourth proportional to 18,300.08, 25,254 and 10,233.72 is: 14,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.08 : 25,254 = 10,233.72 : x
  2. Step 2: Convert to fraction form
    18,300.08/25,254 = 10,233.72/x
  3. Step 3: Cross multiply
    18,300.08x = 25,254 × 10,233.72
  4. Step 4: Simplify right side
    18,300.08x = 258,442,364.88
  5. Step 5: Solve for x
    x = 258,442,364.88/18,300.08
  6. Step 6: Final answer
    x = 14,122.47

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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.