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Finding the Fourth Proportional to 43,585.25, 65,387.60 and 15,883.25

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Solution

The fourth proportional to 43,585.25, 65,387.60 and 15,883.25 is: 23,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,585.25 : 65,387.60 = 15,883.25 : x
  2. Step 2: Convert to fraction form
    43,585.25/65,387.60 = 15,883.25/x
  3. Step 3: Cross multiply
    43,585.25x = 65,387.60 × 15,883.25
  4. Step 4: Simplify right side
    43,585.25x = 1,038,567,518.28
  5. Step 5: Solve for x
    x = 1,038,567,518.28/43,585.25
  6. Step 6: Final answer
    x = 23,828.42

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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.