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Finding the Fourth Proportional to 58,230.70, 80,355.85 and 35,607.40

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Solution

The fourth proportional to 58,230.70, 80,355.85 and 35,607.40 is: 49,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,230.70 : 80,355.85 = 35,607.40 : x
  2. Step 2: Convert to fraction form
    58,230.70/80,355.85 = 35,607.40/x
  3. Step 3: Cross multiply
    58,230.70x = 80,355.85 × 35,607.40
  4. Step 4: Simplify right side
    58,230.70x = 2,861,262,603.38
  5. Step 5: Solve for x
    x = 2,861,262,603.38/58,230.70
  6. Step 6: Final answer
    x = 49,136.67

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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.