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Finding the Fourth Proportional to 35,419.52, 48,879.54 and 19,503.62

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Solution

The fourth proportional to 35,419.52, 48,879.54 and 19,503.62 is: 26,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.52 : 48,879.54 = 19,503.62 : x
  2. Step 2: Convert to fraction form
    35,419.52/48,879.54 = 19,503.62/x
  3. Step 3: Cross multiply
    35,419.52x = 48,879.54 × 19,503.62
  4. Step 4: Simplify right side
    35,419.52x = 953,327,729.54
  5. Step 5: Solve for x
    x = 953,327,729.54/35,419.52
  6. Step 6: Final answer
    x = 26,915.32

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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.