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Finding the Fourth Proportional to 85,763.72, 118,352.16 and 47,522.94

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Solution

The fourth proportional to 85,763.72, 118,352.16 and 47,522.94 is: 65,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,763.72 : 118,352.16 = 47,522.94 : x
  2. Step 2: Convert to fraction form
    85,763.72/118,352.16 = 47,522.94/x
  3. Step 3: Cross multiply
    85,763.72x = 118,352.16 × 47,522.94
  4. Step 4: Simplify right side
    85,763.72x = 5,624,442,154.73
  5. Step 5: Solve for x
    x = 5,624,442,154.73/85,763.72
  6. Step 6: Final answer
    x = 65,580.67

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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.