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Finding the Fourth Proportional to 43,808.90, 65,616.15 and 36,032.90

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Solution

The fourth proportional to 43,808.90, 65,616.15 and 36,032.90 is: 53,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,808.90 : 65,616.15 = 36,032.90 : x
  2. Step 2: Convert to fraction form
    43,808.90/65,616.15 = 36,032.90/x
  3. Step 3: Cross multiply
    43,808.90x = 65,616.15 × 36,032.90
  4. Step 4: Simplify right side
    43,808.90x = 2,364,340,171.34
  5. Step 5: Solve for x
    x = 2,364,340,171.34/43,808.90
  6. Step 6: Final answer
    x = 53,969.40

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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.