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Finding the Fourth Proportional to 34,971.30, 48,258.88 and 19,863.91

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Solution

The fourth proportional to 34,971.30, 48,258.88 and 19,863.91 is: 27,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,971.30 : 48,258.88 = 19,863.91 : x
  2. Step 2: Convert to fraction form
    34,971.30/48,258.88 = 19,863.91/x
  3. Step 3: Cross multiply
    34,971.30x = 48,258.88 × 19,863.91
  4. Step 4: Simplify right side
    34,971.30x = 958,610,024.19
  5. Step 5: Solve for x
    x = 958,610,024.19/34,971.30
  6. Step 6: Final answer
    x = 27,411.34

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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.