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Finding the Fourth Proportional to 44,335.60, 66,406.20 and 39,410.80

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Solution

The fourth proportional to 44,335.60, 66,406.20 and 39,410.80 is: 59,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,335.60 : 66,406.20 = 39,410.80 : x
  2. Step 2: Convert to fraction form
    44,335.60/66,406.20 = 39,410.80/x
  3. Step 3: Cross multiply
    44,335.60x = 66,406.20 × 39,410.80
  4. Step 4: Simplify right side
    44,335.60x = 2,617,121,466.96
  5. Step 5: Solve for x
    x = 2,617,121,466.96/44,335.60
  6. Step 6: Final answer
    x = 59,029.80

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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.