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Finding the Fourth Proportional to 18,516.76, 27,775.13 and 6,036.77

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Solution

The fourth proportional to 18,516.76, 27,775.13 and 6,036.77 is: 9,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.76 : 27,775.13 = 6,036.77 : x
  2. Step 2: Convert to fraction form
    18,516.76/27,775.13 = 6,036.77/x
  3. Step 3: Cross multiply
    18,516.76x = 27,775.13 × 6,036.77
  4. Step 4: Simplify right side
    18,516.76x = 167,672,110.78
  5. Step 5: Solve for x
    x = 167,672,110.78/18,516.76
  6. Step 6: Final answer
    x = 9,055.16

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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.