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Finding the Fourth Proportional to 35,138.58, 52,714.93 and 12,952.08

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Solution

The fourth proportional to 35,138.58, 52,714.93 and 12,952.08 is: 19,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.58 : 52,714.93 = 12,952.08 : x
  2. Step 2: Convert to fraction form
    35,138.58/52,714.93 = 12,952.08/x
  3. Step 3: Cross multiply
    35,138.58x = 52,714.93 × 12,952.08
  4. Step 4: Simplify right side
    35,138.58x = 682,767,990.55
  5. Step 5: Solve for x
    x = 682,767,990.55/35,138.58
  6. Step 6: Final answer
    x = 19,430.72

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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.