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Finding the Fourth Proportional to 27,159, 37,479.40 and 16,548.67

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Solution

The fourth proportional to 27,159, 37,479.40 and 16,548.67 is: 22,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,159 : 37,479.40 = 16,548.67 : x
  2. Step 2: Convert to fraction form
    27,159/37,479.40 = 16,548.67/x
  3. Step 3: Cross multiply
    27,159x = 37,479.40 × 16,548.67
  4. Step 4: Simplify right side
    27,159x = 620,234,222.40
  5. Step 5: Solve for x
    x = 620,234,222.40/27,159
  6. Step 6: Final answer
    x = 22,837.15

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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.