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Finding the Fourth Proportional to 38,314.27, 52,873.18 and 21,547.27

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Solution

The fourth proportional to 38,314.27, 52,873.18 and 21,547.27 is: 29,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.27 : 52,873.18 = 21,547.27 : x
  2. Step 2: Convert to fraction form
    38,314.27/52,873.18 = 21,547.27/x
  3. Step 3: Cross multiply
    38,314.27x = 52,873.18 × 21,547.27
  4. Step 4: Simplify right side
    38,314.27x = 1,139,272,685.22
  5. Step 5: Solve for x
    x = 1,139,272,685.22/38,314.27
  6. Step 6: Final answer
    x = 29,734.94

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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.