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Finding the Fourth Proportional to 35,256.47, 48,653.47 and 20,148.97

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Solution

The fourth proportional to 35,256.47, 48,653.47 and 20,148.97 is: 27,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,256.47 : 48,653.47 = 20,148.97 : x
  2. Step 2: Convert to fraction form
    35,256.47/48,653.47 = 20,148.97/x
  3. Step 3: Cross multiply
    35,256.47x = 48,653.47 × 20,148.97
  4. Step 4: Simplify right side
    35,256.47x = 980,317,307.43
  5. Step 5: Solve for x
    x = 980,317,307.43/35,256.47
  6. Step 6: Final answer
    x = 27,805.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.