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Finding the Fourth Proportional to 66,503.70, 99,755.55 and 44,244.90

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Solution

The fourth proportional to 66,503.70, 99,755.55 and 44,244.90 is: 66,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,503.70 : 99,755.55 = 44,244.90 : x
  2. Step 2: Convert to fraction form
    66,503.70/99,755.55 = 44,244.90/x
  3. Step 3: Cross multiply
    66,503.70x = 99,755.55 × 44,244.90
  4. Step 4: Simplify right side
    66,503.70x = 4,413,674,334.20
  5. Step 5: Solve for x
    x = 4,413,674,334.20/66,503.70
  6. Step 6: Final answer
    x = 66,367.35

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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.