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Finding the Fourth Proportional to 76,594.50, 114,890.94 and 29,880.18

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Solution

The fourth proportional to 76,594.50, 114,890.94 and 29,880.18 is: 44,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,594.50 : 114,890.94 = 29,880.18 : x
  2. Step 2: Convert to fraction form
    76,594.50/114,890.94 = 29,880.18/x
  3. Step 3: Cross multiply
    76,594.50x = 114,890.94 × 29,880.18
  4. Step 4: Simplify right side
    76,594.50x = 3,432,961,967.57
  5. Step 5: Solve for x
    x = 3,432,961,967.57/76,594.50
  6. Step 6: Final answer
    x = 44,819.95

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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.