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Finding the Fourth Proportional to 45,980.70, 68,969.12 and 16,001.80

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Solution

The fourth proportional to 45,980.70, 68,969.12 and 16,001.80 is: 24,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,980.70 : 68,969.12 = 16,001.80 : x
  2. Step 2: Convert to fraction form
    45,980.70/68,969.12 = 16,001.80/x
  3. Step 3: Cross multiply
    45,980.70x = 68,969.12 × 16,001.80
  4. Step 4: Simplify right side
    45,980.70x = 1,103,630,289.95
  5. Step 5: Solve for x
    x = 1,103,630,289.95/45,980.70
  6. Step 6: Final answer
    x = 24,002.04

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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.