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Finding the Fourth Proportional to 35,303.40, 52,868.70 and 16,813.80

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Solution

The fourth proportional to 35,303.40, 52,868.70 and 16,813.80 is: 25,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,303.40 : 52,868.70 = 16,813.80 : x
  2. Step 2: Convert to fraction form
    35,303.40/52,868.70 = 16,813.80/x
  3. Step 3: Cross multiply
    35,303.40x = 52,868.70 × 16,813.80
  4. Step 4: Simplify right side
    35,303.40x = 888,923,748.06
  5. Step 5: Solve for x
    x = 888,923,748.06/35,303.40
  6. Step 6: Final answer
    x = 25,179.55

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1.5x scale

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.