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Finding the Fourth Proportional to 35,703.54, 53,554.50 and 12,327.78

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Solution

The fourth proportional to 35,703.54, 53,554.50 and 12,327.78 is: 18,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.54 : 53,554.50 = 12,327.78 : x
  2. Step 2: Convert to fraction form
    35,703.54/53,554.50 = 12,327.78/x
  3. Step 3: Cross multiply
    35,703.54x = 53,554.50 × 12,327.78
  4. Step 4: Simplify right side
    35,703.54x = 660,208,094.01
  5. Step 5: Solve for x
    x = 660,208,094.01/35,703.54
  6. Step 6: Final answer
    x = 18,491.39

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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.