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Finding the Fourth Proportional to 35,459.10, 53,200.80 and 15,751.80

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Solution

The fourth proportional to 35,459.10, 53,200.80 and 15,751.80 is: 23,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.10 : 53,200.80 = 15,751.80 : x
  2. Step 2: Convert to fraction form
    35,459.10/53,200.80 = 15,751.80/x
  3. Step 3: Cross multiply
    35,459.10x = 53,200.80 × 15,751.80
  4. Step 4: Simplify right side
    35,459.10x = 838,008,361.44
  5. Step 5: Solve for x
    x = 838,008,361.44/35,459.10
  6. Step 6: Final answer
    x = 23,633.10

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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.