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Finding the Fourth Proportional to 52,857.50, 79,130.73 and 35,283.74

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Solution

The fourth proportional to 52,857.50, 79,130.73 and 35,283.74 is: 52,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857.50 : 79,130.73 = 35,283.74 : x
  2. Step 2: Convert to fraction form
    52,857.50/79,130.73 = 35,283.74/x
  3. Step 3: Cross multiply
    52,857.50x = 79,130.73 × 35,283.74
  4. Step 4: Simplify right side
    52,857.50x = 2,792,027,729.08
  5. Step 5: Solve for x
    x = 2,792,027,729.08/52,857.50
  6. Step 6: Final answer
    x = 52,821.79

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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.