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Finding the Fourth Proportional to 38,293.56, 52,849.86 and 21,526.56

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Solution

The fourth proportional to 38,293.56, 52,849.86 and 21,526.56 is: 29,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,293.56 : 52,849.86 = 21,526.56 : x
  2. Step 2: Convert to fraction form
    38,293.56/52,849.86 = 21,526.56/x
  3. Step 3: Cross multiply
    38,293.56x = 52,849.86 × 21,526.56
  4. Step 4: Simplify right side
    38,293.56x = 1,137,675,682.28
  5. Step 5: Solve for x
    x = 1,137,675,682.28/38,293.56
  6. Step 6: Final answer
    x = 29,709.32

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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.