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Finding the Fourth Proportional to 32,139.56, 44,357.02 and 19,393.40

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Solution

The fourth proportional to 32,139.56, 44,357.02 and 19,393.40 is: 26,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.56 : 44,357.02 = 19,393.40 : x
  2. Step 2: Convert to fraction form
    32,139.56/44,357.02 = 19,393.40/x
  3. Step 3: Cross multiply
    32,139.56x = 44,357.02 × 19,393.40
  4. Step 4: Simplify right side
    32,139.56x = 860,233,431.67
  5. Step 5: Solve for x
    x = 860,233,431.67/32,139.56
  6. Step 6: Final answer
    x = 26,765.56

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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.