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Finding the Fourth Proportional to 25,371.60, 38,059.80 and 6,903.60

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Solution

The fourth proportional to 25,371.60, 38,059.80 and 6,903.60 is: 10,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.60 : 38,059.80 = 6,903.60 : x
  2. Step 2: Convert to fraction form
    25,371.60/38,059.80 = 6,903.60/x
  3. Step 3: Cross multiply
    25,371.60x = 38,059.80 × 6,903.60
  4. Step 4: Simplify right side
    25,371.60x = 262,749,635.28
  5. Step 5: Solve for x
    x = 262,749,635.28/25,371.60
  6. Step 6: Final answer
    x = 10,356.05

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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.