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Finding the Fourth Proportional to 60,988.50, 91,399.56 and 37,304.28

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Solution

The fourth proportional to 60,988.50, 91,399.56 and 37,304.28 is: 55,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,988.50 : 91,399.56 = 37,304.28 : x
  2. Step 2: Convert to fraction form
    60,988.50/91,399.56 = 37,304.28/x
  3. Step 3: Cross multiply
    60,988.50x = 91,399.56 × 37,304.28
  4. Step 4: Simplify right side
    60,988.50x = 3,409,594,778.12
  5. Step 5: Solve for x
    x = 3,409,594,778.12/60,988.50
  6. Step 6: Final answer
    x = 55,905.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.