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Finding the Fourth Proportional to 35,308.80, 52,966.32 and 10,348.80

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Solution

The fourth proportional to 35,308.80, 52,966.32 and 10,348.80 is: 15,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,308.80 : 52,966.32 = 10,348.80 : x
  2. Step 2: Convert to fraction form
    35,308.80/52,966.32 = 10,348.80/x
  3. Step 3: Cross multiply
    35,308.80x = 52,966.32 × 10,348.80
  4. Step 4: Simplify right side
    35,308.80x = 548,137,852.42
  5. Step 5: Solve for x
    x = 548,137,852.42/35,308.80
  6. Step 6: Final answer
    x = 15,524.11

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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.