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Finding the Fourth Proportional to 82,475.15, 113,817.03 and 44,749.40

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Solution

The fourth proportional to 82,475.15, 113,817.03 and 44,749.40 is: 61,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,475.15 : 113,817.03 = 44,749.40 : x
  2. Step 2: Convert to fraction form
    82,475.15/113,817.03 = 44,749.40/x
  3. Step 3: Cross multiply
    82,475.15x = 113,817.03 × 44,749.40
  4. Step 4: Simplify right side
    82,475.15x = 5,093,243,802.28
  5. Step 5: Solve for x
    x = 5,093,243,802.28/82,475.15
  6. Step 6: Final answer
    x = 61,754.89

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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.