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Finding the Fourth Proportional to 41,980.56, 57,931.04 and 23,117.28

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Solution

The fourth proportional to 41,980.56, 57,931.04 and 23,117.28 is: 31,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,980.56 : 57,931.04 = 23,117.28 : x
  2. Step 2: Convert to fraction form
    41,980.56/57,931.04 = 23,117.28/x
  3. Step 3: Cross multiply
    41,980.56x = 57,931.04 × 23,117.28
  4. Step 4: Simplify right side
    41,980.56x = 1,339,208,072.37
  5. Step 5: Solve for x
    x = 1,339,208,072.37/41,980.56
  6. Step 6: Final answer
    x = 31,900.67

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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.