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Finding the Fourth Proportional to 58,903.67, 81,336.12 and 54,629.84

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Solution

The fourth proportional to 58,903.67, 81,336.12 and 54,629.84 is: 75,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,903.67 : 81,336.12 = 54,629.84 : x
  2. Step 2: Convert to fraction form
    58,903.67/81,336.12 = 54,629.84/x
  3. Step 3: Cross multiply
    58,903.67x = 81,336.12 × 54,629.84
  4. Step 4: Simplify right side
    58,903.67x = 4,443,379,220.30
  5. Step 5: Solve for x
    x = 4,443,379,220.30/58,903.67
  6. Step 6: Final answer
    x = 75,434.67

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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.