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Finding the Fourth Proportional to 34,214.81, 47,215.98 and 19,108.10

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Solution

The fourth proportional to 34,214.81, 47,215.98 and 19,108.10 is: 26,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,214.81 : 47,215.98 = 19,108.10 : x
  2. Step 2: Convert to fraction form
    34,214.81/47,215.98 = 19,108.10/x
  3. Step 3: Cross multiply
    34,214.81x = 47,215.98 × 19,108.10
  4. Step 4: Simplify right side
    34,214.81x = 902,207,785.48
  5. Step 5: Solve for x
    x = 902,207,785.48/34,214.81
  6. Step 6: Final answer
    x = 26,368.93

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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.