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Finding the Fourth Proportional to 26,482.84, 39,729.72 and 7,763.49

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Solution

The fourth proportional to 26,482.84, 39,729.72 and 7,763.49 is: 11,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,482.84 : 39,729.72 = 7,763.49 : x
  2. Step 2: Convert to fraction form
    26,482.84/39,729.72 = 7,763.49/x
  3. Step 3: Cross multiply
    26,482.84x = 39,729.72 × 7,763.49
  4. Step 4: Simplify right side
    26,482.84x = 308,441,283.92
  5. Step 5: Solve for x
    x = 308,441,283.92/26,482.84
  6. Step 6: Final answer
    x = 11,646.84

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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.