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Finding the Fourth Proportional to 35,357, 48,793.80 and 19,442.60

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Solution

The fourth proportional to 35,357, 48,793.80 and 19,442.60 is: 26,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,357 : 48,793.80 = 19,442.60 : x
  2. Step 2: Convert to fraction form
    35,357/48,793.80 = 19,442.60/x
  3. Step 3: Cross multiply
    35,357x = 48,793.80 × 19,442.60
  4. Step 4: Simplify right side
    35,357x = 948,678,335.88
  5. Step 5: Solve for x
    x = 948,678,335.88/35,357
  6. Step 6: Final answer
    x = 26,831.41

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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.