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Finding the Fourth Proportional to 45,981.30, 68,980.05 and 16,416.30

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Solution

The fourth proportional to 45,981.30, 68,980.05 and 16,416.30 is: 24,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,981.30 : 68,980.05 = 16,416.30 : x
  2. Step 2: Convert to fraction form
    45,981.30/68,980.05 = 16,416.30/x
  3. Step 3: Cross multiply
    45,981.30x = 68,980.05 × 16,416.30
  4. Step 4: Simplify right side
    45,981.30x = 1,132,397,194.82
  5. Step 5: Solve for x
    x = 1,132,397,194.82/45,981.30
  6. Step 6: Final answer
    x = 24,627.34

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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.