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Finding the Fourth Proportional to 34,783.01, 48,000.31 and 18,867.48

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Solution

The fourth proportional to 34,783.01, 48,000.31 and 18,867.48 is: 26,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,783.01 : 48,000.31 = 18,867.48 : x
  2. Step 2: Convert to fraction form
    34,783.01/48,000.31 = 18,867.48/x
  3. Step 3: Cross multiply
    34,783.01x = 48,000.31 × 18,867.48
  4. Step 4: Simplify right side
    34,783.01x = 905,644,661.75
  5. Step 5: Solve for x
    x = 905,644,661.75/34,783.01
  6. Step 6: Final answer
    x = 26,036.98

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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.