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Finding the Fourth Proportional to 35,316.60, 52,974.88 and 9,021.36

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Solution

The fourth proportional to 35,316.60, 52,974.88 and 9,021.36 is: 13,532.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.60 : 52,974.88 = 9,021.36 : x
  2. Step 2: Convert to fraction form
    35,316.60/52,974.88 = 9,021.36/x
  3. Step 3: Cross multiply
    35,316.60x = 52,974.88 × 9,021.36
  4. Step 4: Simplify right side
    35,316.60x = 477,905,463.44
  5. Step 5: Solve for x
    x = 477,905,463.44/35,316.60
  6. Step 6: Final answer
    x = 13,532.03

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Why These Related Problems?

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