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Finding the Fourth Proportional to 18,047.54, 27,076.50 and 9,162.51

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Solution

The fourth proportional to 18,047.54, 27,076.50 and 9,162.51 is: 13,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.54 : 27,076.50 = 9,162.51 : x
  2. Step 2: Convert to fraction form
    18,047.54/27,076.50 = 9,162.51/x
  3. Step 3: Cross multiply
    18,047.54x = 27,076.50 × 9,162.51
  4. Step 4: Simplify right side
    18,047.54x = 248,088,803.55
  5. Step 5: Solve for x
    x = 248,088,803.55/18,047.54
  6. Step 6: Final answer
    x = 13,746.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.