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Finding the Fourth Proportional to 34,204.58, 47,210.19 and 20,061.98

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Solution

The fourth proportional to 34,204.58, 47,210.19 and 20,061.98 is: 27,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,204.58 : 47,210.19 = 20,061.98 : x
  2. Step 2: Convert to fraction form
    34,204.58/47,210.19 = 20,061.98/x
  3. Step 3: Cross multiply
    34,204.58x = 47,210.19 × 20,061.98
  4. Step 4: Simplify right side
    34,204.58x = 947,129,866.18
  5. Step 5: Solve for x
    x = 947,129,866.18/34,204.58
  6. Step 6: Final answer
    x = 27,690.15

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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.