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Finding the Fourth Proportional to 72,798.34, 100,399.59 and 44,111.38

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Solution

The fourth proportional to 72,798.34, 100,399.59 and 44,111.38 is: 60,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,798.34 : 100,399.59 = 44,111.38 : x
  2. Step 2: Convert to fraction form
    72,798.34/100,399.59 = 44,111.38/x
  3. Step 3: Cross multiply
    72,798.34x = 100,399.59 × 44,111.38
  4. Step 4: Simplify right side
    72,798.34x = 4,428,764,466.33
  5. Step 5: Solve for x
    x = 4,428,764,466.33/72,798.34
  6. Step 6: Final answer
    x = 60,836.06

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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.