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Finding the Fourth Proportional to 58,286.04, 87,408.90 and 36,065.40

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Solution

The fourth proportional to 58,286.04, 87,408.90 and 36,065.40 is: 54,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,286.04 : 87,408.90 = 36,065.40 : x
  2. Step 2: Convert to fraction form
    58,286.04/87,408.90 = 36,065.40/x
  3. Step 3: Cross multiply
    58,286.04x = 87,408.90 × 36,065.40
  4. Step 4: Simplify right side
    58,286.04x = 3,152,436,942.06
  5. Step 5: Solve for x
    x = 3,152,436,942.06/58,286.04
  6. Step 6: Final answer
    x = 54,085.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.