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Finding the Fourth Proportional to 35,322.48, 52,972.02 and 14,257.08

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Solution

The fourth proportional to 35,322.48, 52,972.02 and 14,257.08 is: 21,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.48 : 52,972.02 = 14,257.08 : x
  2. Step 2: Convert to fraction form
    35,322.48/52,972.02 = 14,257.08/x
  3. Step 3: Cross multiply
    35,322.48x = 52,972.02 × 14,257.08
  4. Step 4: Simplify right side
    35,322.48x = 755,226,326.90
  5. Step 5: Solve for x
    x = 755,226,326.90/35,322.48
  6. Step 6: Final answer
    x = 21,380.90

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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.