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Finding the Fourth Proportional to 17,373.72, 23,975.64 and 9,415.74

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Solution

The fourth proportional to 17,373.72, 23,975.64 and 9,415.74 is: 12,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,373.72 : 23,975.64 = 9,415.74 : x
  2. Step 2: Convert to fraction form
    17,373.72/23,975.64 = 9,415.74/x
  3. Step 3: Cross multiply
    17,373.72x = 23,975.64 × 9,415.74
  4. Step 4: Simplify right side
    17,373.72x = 225,748,392.57
  5. Step 5: Solve for x
    x = 225,748,392.57/17,373.72
  6. Step 6: Final answer
    x = 12,993.67

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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.