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Finding the Fourth Proportional to 43,744.80, 65,617.20 and 36,746.40

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Solution

The fourth proportional to 43,744.80, 65,617.20 and 36,746.40 is: 55,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,744.80 : 65,617.20 = 36,746.40 : x
  2. Step 2: Convert to fraction form
    43,744.80/65,617.20 = 36,746.40/x
  3. Step 3: Cross multiply
    43,744.80x = 65,617.20 × 36,746.40
  4. Step 4: Simplify right side
    43,744.80x = 2,411,195,878.08
  5. Step 5: Solve for x
    x = 2,411,195,878.08/43,744.80
  6. Step 6: Final answer
    x = 55,119.60

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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.