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Finding the Fourth Proportional to 34,818, 48,048.17 and 19,713.53

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Solution

The fourth proportional to 34,818, 48,048.17 and 19,713.53 is: 27,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,818 : 48,048.17 = 19,713.53 : x
  2. Step 2: Convert to fraction form
    34,818/48,048.17 = 19,713.53/x
  3. Step 3: Cross multiply
    34,818x = 48,048.17 × 19,713.53
  4. Step 4: Simplify right side
    34,818x = 947,198,701.93
  5. Step 5: Solve for x
    x = 947,198,701.93/34,818
  6. Step 6: Final answer
    x = 27,204.28

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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.