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Finding the Fourth Proportional to 43,999.80, 65,934.90 and 37,390.20

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Solution

The fourth proportional to 43,999.80, 65,934.90 and 37,390.20 is: 56,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,999.80 : 65,934.90 = 37,390.20 : x
  2. Step 2: Convert to fraction form
    43,999.80/65,934.90 = 37,390.20/x
  3. Step 3: Cross multiply
    43,999.80x = 65,934.90 × 37,390.20
  4. Step 4: Simplify right side
    43,999.80x = 2,465,319,097.98
  5. Step 5: Solve for x
    x = 2,465,319,097.98/43,999.80
  6. Step 6: Final answer
    x = 56,030.23

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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.