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Finding the Fourth Proportional to 62,796.28, 86,575.08 and 53,805.28

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Solution

The fourth proportional to 62,796.28, 86,575.08 and 53,805.28 is: 74,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,796.28 : 86,575.08 = 53,805.28 : x
  2. Step 2: Convert to fraction form
    62,796.28/86,575.08 = 53,805.28/x
  3. Step 3: Cross multiply
    62,796.28x = 86,575.08 × 53,805.28
  4. Step 4: Simplify right side
    62,796.28x = 4,658,196,420.42
  5. Step 5: Solve for x
    x = 4,658,196,420.42/62,796.28
  6. Step 6: Final answer
    x = 74,179.50

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1.5x scale

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.