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Finding the Fourth Proportional to 32,567.60, 44,940.84 and 21,971.60

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Solution

The fourth proportional to 32,567.60, 44,940.84 and 21,971.60 is: 30,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,567.60 : 44,940.84 = 21,971.60 : x
  2. Step 2: Convert to fraction form
    32,567.60/44,940.84 = 21,971.60/x
  3. Step 3: Cross multiply
    32,567.60x = 44,940.84 × 21,971.60
  4. Step 4: Simplify right side
    32,567.60x = 987,422,160.14
  5. Step 5: Solve for x
    x = 987,422,160.14/32,567.60
  6. Step 6: Final answer
    x = 30,319.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.