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Finding the Fourth Proportional to 58,903.05, 87,954.46 and 57,306.84

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Solution

The fourth proportional to 58,903.05, 87,954.46 and 57,306.84 is: 85,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,903.05 : 87,954.46 = 57,306.84 : x
  2. Step 2: Convert to fraction form
    58,903.05/87,954.46 = 57,306.84/x
  3. Step 3: Cross multiply
    58,903.05x = 87,954.46 × 57,306.84
  4. Step 4: Simplify right side
    58,903.05x = 5,040,392,188.15
  5. Step 5: Solve for x
    x = 5,040,392,188.15/58,903.05
  6. Step 6: Final answer
    x = 85,570.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.