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Finding the Fourth Proportional to 63,409.42, 87,506.90 and 35,114.50

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Solution

The fourth proportional to 63,409.42, 87,506.90 and 35,114.50 is: 48,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,409.42 : 87,506.90 = 35,114.50 : x
  2. Step 2: Convert to fraction form
    63,409.42/87,506.90 = 35,114.50/x
  3. Step 3: Cross multiply
    63,409.42x = 87,506.90 × 35,114.50
  4. Step 4: Simplify right side
    63,409.42x = 3,072,761,040.05
  5. Step 5: Solve for x
    x = 3,072,761,040.05/63,409.42
  6. Step 6: Final answer
    x = 48,459.06

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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.