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Finding the Fourth Proportional to 27,071.58, 40,619.50 and 17,208.30

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Solution

The fourth proportional to 27,071.58, 40,619.50 and 17,208.30 is: 25,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,071.58 : 40,619.50 = 17,208.30 : x
  2. Step 2: Convert to fraction form
    27,071.58/40,619.50 = 17,208.30/x
  3. Step 3: Cross multiply
    27,071.58x = 40,619.50 × 17,208.30
  4. Step 4: Simplify right side
    27,071.58x = 698,992,541.85
  5. Step 5: Solve for x
    x = 698,992,541.85/27,071.58
  6. Step 6: Final answer
    x = 25,820.16

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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.