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Finding the Fourth Proportional to 69,800.59, 96,326.63 and 39,580.08

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Solution

The fourth proportional to 69,800.59, 96,326.63 and 39,580.08 is: 54,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,800.59 : 96,326.63 = 39,580.08 : x
  2. Step 2: Convert to fraction form
    69,800.59/96,326.63 = 39,580.08/x
  3. Step 3: Cross multiply
    69,800.59x = 96,326.63 × 39,580.08
  4. Step 4: Simplify right side
    69,800.59x = 3,812,615,721.53
  5. Step 5: Solve for x
    x = 3,812,615,721.53/69,800.59
  6. Step 6: Final answer
    x = 54,621.54

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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.