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Finding the Fourth Proportional to 60,615.60, 90,941.76 and 47,334.48

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Solution

The fourth proportional to 60,615.60, 90,941.76 and 47,334.48 is: 71,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,615.60 : 90,941.76 = 47,334.48 : x
  2. Step 2: Convert to fraction form
    60,615.60/90,941.76 = 47,334.48/x
  3. Step 3: Cross multiply
    60,615.60x = 90,941.76 × 47,334.48
  4. Step 4: Simplify right side
    60,615.60x = 4,304,680,919.88
  5. Step 5: Solve for x
    x = 4,304,680,919.88/60,615.60
  6. Step 6: Final answer
    x = 71,016.06

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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.