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Finding the Fourth Proportional to 43,552.80, 65,408.40 and 26,056.80

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Solution

The fourth proportional to 43,552.80, 65,408.40 and 26,056.80 is: 39,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,552.80 : 65,408.40 = 26,056.80 : x
  2. Step 2: Convert to fraction form
    43,552.80/65,408.40 = 26,056.80/x
  3. Step 3: Cross multiply
    43,552.80x = 65,408.40 × 26,056.80
  4. Step 4: Simplify right side
    43,552.80x = 1,704,333,597.12
  5. Step 5: Solve for x
    x = 1,704,333,597.12/43,552.80
  6. Step 6: Final answer
    x = 39,132.58

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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.