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Finding the Fourth Proportional to 35,955.84, 49,621.68 and 20,852.40

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Solution

The fourth proportional to 35,955.84, 49,621.68 and 20,852.40 is: 28,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,955.84 : 49,621.68 = 20,852.40 : x
  2. Step 2: Convert to fraction form
    35,955.84/49,621.68 = 20,852.40/x
  3. Step 3: Cross multiply
    35,955.84x = 49,621.68 × 20,852.40
  4. Step 4: Simplify right side
    35,955.84x = 1,034,731,120.03
  5. Step 5: Solve for x
    x = 1,034,731,120.03/35,955.84
  6. Step 6: Final answer
    x = 28,777.83

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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.