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Finding the Fourth Proportional to 29,970.88, 44,940.48 and 14,975.68

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Solution

The fourth proportional to 29,970.88, 44,940.48 and 14,975.68 is: 22,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.88 : 44,940.48 = 14,975.68 : x
  2. Step 2: Convert to fraction form
    29,970.88/44,940.48 = 14,975.68/x
  3. Step 3: Cross multiply
    29,970.88x = 44,940.48 × 14,975.68
  4. Step 4: Simplify right side
    29,970.88x = 673,014,247.53
  5. Step 5: Solve for x
    x = 673,014,247.53/29,970.88
  6. Step 6: Final answer
    x = 22,455.61

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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.