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Finding the Fourth Proportional to 35,651.59, 49,199.78 and 19,518.63

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Solution

The fourth proportional to 35,651.59, 49,199.78 and 19,518.63 is: 26,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,651.59 : 49,199.78 = 19,518.63 : x
  2. Step 2: Convert to fraction form
    35,651.59/49,199.78 = 19,518.63/x
  3. Step 3: Cross multiply
    35,651.59x = 49,199.78 × 19,518.63
  4. Step 4: Simplify right side
    35,651.59x = 960,312,277.50
  5. Step 5: Solve for x
    x = 960,312,277.50/35,651.59
  6. Step 6: Final answer
    x = 26,936.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.