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Finding the Fourth Proportional to 68,527.50, 94,567.95 and 38,719.50

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Solution

The fourth proportional to 68,527.50, 94,567.95 and 38,719.50 is: 53,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,527.50 : 94,567.95 = 38,719.50 : x
  2. Step 2: Convert to fraction form
    68,527.50/94,567.95 = 38,719.50/x
  3. Step 3: Cross multiply
    68,527.50x = 94,567.95 × 38,719.50
  4. Step 4: Simplify right side
    68,527.50x = 3,661,623,740.03
  5. Step 5: Solve for x
    x = 3,661,623,740.03/68,527.50
  6. Step 6: Final answer
    x = 53,432.91

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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.