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Finding the Fourth Proportional to 35,426.90, 53,146.11 and 10,469.46

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Solution

The fourth proportional to 35,426.90, 53,146.11 and 10,469.46 is: 15,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,426.90 : 53,146.11 = 10,469.46 : x
  2. Step 2: Convert to fraction form
    35,426.90/53,146.11 = 10,469.46/x
  3. Step 3: Cross multiply
    35,426.90x = 53,146.11 × 10,469.46
  4. Step 4: Simplify right side
    35,426.90x = 556,411,072.80
  5. Step 5: Solve for x
    x = 556,411,072.80/35,426.90
  6. Step 6: Final answer
    x = 15,705.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.