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Finding the Fourth Proportional to 23,943.60, 35,915.40 and 21,351.60

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Solution

The fourth proportional to 23,943.60, 35,915.40 and 21,351.60 is: 32,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,943.60 : 35,915.40 = 21,351.60 : x
  2. Step 2: Convert to fraction form
    23,943.60/35,915.40 = 21,351.60/x
  3. Step 3: Cross multiply
    23,943.60x = 35,915.40 × 21,351.60
  4. Step 4: Simplify right side
    23,943.60x = 766,851,254.64
  5. Step 5: Solve for x
    x = 766,851,254.64/23,943.60
  6. Step 6: Final answer
    x = 32,027.40

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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.