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Finding the Fourth Proportional to 57,914.10, 86,871.15 and 35,655.30

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Solution

The fourth proportional to 57,914.10, 86,871.15 and 35,655.30 is: 53,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,914.10 : 86,871.15 = 35,655.30 : x
  2. Step 2: Convert to fraction form
    57,914.10/86,871.15 = 35,655.30/x
  3. Step 3: Cross multiply
    57,914.10x = 86,871.15 × 35,655.30
  4. Step 4: Simplify right side
    57,914.10x = 3,097,416,914.60
  5. Step 5: Solve for x
    x = 3,097,416,914.60/57,914.10
  6. Step 6: Final answer
    x = 53,482.95

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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.