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Finding the Fourth Proportional to 38,293.06, 52,849.17 and 21,526.06

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Solution

The fourth proportional to 38,293.06, 52,849.17 and 21,526.06 is: 29,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,293.06 : 52,849.17 = 21,526.06 : x
  2. Step 2: Convert to fraction form
    38,293.06/52,849.17 = 21,526.06/x
  3. Step 3: Cross multiply
    38,293.06x = 52,849.17 × 21,526.06
  4. Step 4: Simplify right side
    38,293.06x = 1,137,634,404.37
  5. Step 5: Solve for x
    x = 1,137,634,404.37/38,293.06
  6. Step 6: Final answer
    x = 29,708.63

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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.