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Finding the Fourth Proportional to 35,114.80, 52,666.98 and 12,922.98

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Solution

The fourth proportional to 35,114.80, 52,666.98 and 12,922.98 is: 19,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,114.80 : 52,666.98 = 12,922.98 : x
  2. Step 2: Convert to fraction form
    35,114.80/52,666.98 = 12,922.98/x
  3. Step 3: Cross multiply
    35,114.80x = 52,666.98 × 12,922.98
  4. Step 4: Simplify right side
    35,114.80x = 680,614,329.20
  5. Step 5: Solve for x
    x = 680,614,329.20/35,114.80
  6. Step 6: Final answer
    x = 19,382.55

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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.