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Finding the Fourth Proportional to 44,483.40, 66,728.64 and 12,893.94

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Solution

The fourth proportional to 44,483.40, 66,728.64 and 12,893.94 is: 19,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,483.40 : 66,728.64 = 12,893.94 : x
  2. Step 2: Convert to fraction form
    44,483.40/66,728.64 = 12,893.94/x
  3. Step 3: Cross multiply
    44,483.40x = 66,728.64 × 12,893.94
  4. Step 4: Simplify right side
    44,483.40x = 860,395,080.44
  5. Step 5: Solve for x
    x = 860,395,080.44/44,483.40
  6. Step 6: Final answer
    x = 19,341.94

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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.