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Finding the Fourth Proportional to 61,975.68, 85,527.36 and 33,681.39

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Solution

The fourth proportional to 61,975.68, 85,527.36 and 33,681.39 is: 46,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,975.68 : 85,527.36 = 33,681.39 : x
  2. Step 2: Convert to fraction form
    61,975.68/85,527.36 = 33,681.39/x
  3. Step 3: Cross multiply
    61,975.68x = 85,527.36 × 33,681.39
  4. Step 4: Simplify right side
    61,975.68x = 2,880,680,367.83
  5. Step 5: Solve for x
    x = 2,880,680,367.83/61,975.68
  6. Step 6: Final answer
    x = 46,480.82

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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.