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Finding the Fourth Proportional to 62,526.75, 86,299.05 and 47,393.01

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Solution

The fourth proportional to 62,526.75, 86,299.05 and 47,393.01 is: 65,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,526.75 : 86,299.05 = 47,393.01 : x
  2. Step 2: Convert to fraction form
    62,526.75/86,299.05 = 47,393.01/x
  3. Step 3: Cross multiply
    62,526.75x = 86,299.05 × 47,393.01
  4. Step 4: Simplify right side
    62,526.75x = 4,089,971,917.36
  5. Step 5: Solve for x
    x = 4,089,971,917.36/62,526.75
  6. Step 6: Final answer
    x = 65,411.56

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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.