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Finding the Fourth Proportional to 38,294.52, 52,845.93 and 21,527.52

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Solution

The fourth proportional to 38,294.52, 52,845.93 and 21,527.52 is: 29,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,294.52 : 52,845.93 = 21,527.52 : x
  2. Step 2: Convert to fraction form
    38,294.52/52,845.93 = 21,527.52/x
  3. Step 3: Cross multiply
    38,294.52x = 52,845.93 × 21,527.52
  4. Step 4: Simplify right side
    38,294.52x = 1,137,641,814.99
  5. Step 5: Solve for x
    x = 1,137,641,814.99/38,294.52
  6. Step 6: Final answer
    x = 29,707.69

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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.