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Finding the Fourth Proportional to 62,460.94, 86,209.53 and 39,794.52

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Solution

The fourth proportional to 62,460.94, 86,209.53 and 39,794.52 is: 54,925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,460.94 : 86,209.53 = 39,794.52 : x
  2. Step 2: Convert to fraction form
    62,460.94/86,209.53 = 39,794.52/x
  3. Step 3: Cross multiply
    62,460.94x = 86,209.53 × 39,794.52
  4. Step 4: Simplify right side
    62,460.94x = 3,430,666,865.78
  5. Step 5: Solve for x
    x = 3,430,666,865.78/62,460.94
  6. Step 6: Final answer
    x = 54,925.00

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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.