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Finding the Fourth Proportional to 43,644.60, 65,466.90 and 39,497.40

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Solution

The fourth proportional to 43,644.60, 65,466.90 and 39,497.40 is: 59,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,644.60 : 65,466.90 = 39,497.40 : x
  2. Step 2: Convert to fraction form
    43,644.60/65,466.90 = 39,497.40/x
  3. Step 3: Cross multiply
    43,644.60x = 65,466.90 × 39,497.40
  4. Step 4: Simplify right side
    43,644.60x = 2,585,772,336.06
  5. Step 5: Solve for x
    x = 2,585,772,336.06/43,644.60
  6. Step 6: Final answer
    x = 59,246.10

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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.