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Finding the Fourth Proportional to 35,217, 48,599.46 and 21,071.88

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Solution

The fourth proportional to 35,217, 48,599.46 and 21,071.88 is: 29,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,217 : 48,599.46 = 21,071.88 : x
  2. Step 2: Convert to fraction form
    35,217/48,599.46 = 21,071.88/x
  3. Step 3: Cross multiply
    35,217x = 48,599.46 × 21,071.88
  4. Step 4: Simplify right side
    35,217x = 1,024,081,989.18
  5. Step 5: Solve for x
    x = 1,024,081,989.18/35,217
  6. Step 6: Final answer
    x = 29,079.19

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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.