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Finding the Fourth Proportional to 58,801.80, 81,146.16 and 31,944.09

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Solution

The fourth proportional to 58,801.80, 81,146.16 and 31,944.09 is: 44,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,801.80 : 81,146.16 = 31,944.09 : x
  2. Step 2: Convert to fraction form
    58,801.80/81,146.16 = 31,944.09/x
  3. Step 3: Cross multiply
    58,801.80x = 81,146.16 × 31,944.09
  4. Step 4: Simplify right side
    58,801.80x = 2,592,140,238.19
  5. Step 5: Solve for x
    x = 2,592,140,238.19/58,801.80
  6. Step 6: Final answer
    x = 44,082.67

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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.