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Finding the Fourth Proportional to 35,858.80, 53,788.20 and 25,951.60

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Solution

The fourth proportional to 35,858.80, 53,788.20 and 25,951.60 is: 38,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.80 : 53,788.20 = 25,951.60 : x
  2. Step 2: Convert to fraction form
    35,858.80/53,788.20 = 25,951.60/x
  3. Step 3: Cross multiply
    35,858.80x = 53,788.20 × 25,951.60
  4. Step 4: Simplify right side
    35,858.80x = 1,395,889,851.12
  5. Step 5: Solve for x
    x = 1,395,889,851.12/35,858.80
  6. Step 6: Final answer
    x = 38,927.40

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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.