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Finding the Fourth Proportional to 17,071.64, 25,619.06 and 10,477.70

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Solution

The fourth proportional to 17,071.64, 25,619.06 and 10,477.70 is: 15,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.64 : 25,619.06 = 10,477.70 : x
  2. Step 2: Convert to fraction form
    17,071.64/25,619.06 = 10,477.70/x
  3. Step 3: Cross multiply
    17,071.64x = 25,619.06 × 10,477.70
  4. Step 4: Simplify right side
    17,071.64x = 268,428,824.96
  5. Step 5: Solve for x
    x = 268,428,824.96/17,071.64
  6. Step 6: Final answer
    x = 15,723.67

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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.