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Finding the Fourth Proportional to 62,409.84, 86,117.40 and 37,254

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Solution

The fourth proportional to 62,409.84, 86,117.40 and 37,254 is: 51,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,409.84 : 86,117.40 = 37,254 : x
  2. Step 2: Convert to fraction form
    62,409.84/86,117.40 = 37,254/x
  3. Step 3: Cross multiply
    62,409.84x = 86,117.40 × 37,254
  4. Step 4: Simplify right side
    62,409.84x = 3,208,217,619.60
  5. Step 5: Solve for x
    x = 3,208,217,619.60/62,409.84
  6. Step 6: Final answer
    x = 51,405.64

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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.