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Finding the Fourth Proportional to 43,999.40, 65,974.80 and 17,674.40

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Solution

The fourth proportional to 43,999.40, 65,974.80 and 17,674.40 is: 26,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,999.40 : 65,974.80 = 17,674.40 : x
  2. Step 2: Convert to fraction form
    43,999.40/65,974.80 = 17,674.40/x
  3. Step 3: Cross multiply
    43,999.40x = 65,974.80 × 17,674.40
  4. Step 4: Simplify right side
    43,999.40x = 1,166,065,005.12
  5. Step 5: Solve for x
    x = 1,166,065,005.12/43,999.40
  6. Step 6: Final answer
    x = 26,501.84

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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.