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Finding the Fourth Proportional to 60,274.20, 90,411.30 and 50,505.60

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Solution

The fourth proportional to 60,274.20, 90,411.30 and 50,505.60 is: 75,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,274.20 : 90,411.30 = 50,505.60 : x
  2. Step 2: Convert to fraction form
    60,274.20/90,411.30 = 50,505.60/x
  3. Step 3: Cross multiply
    60,274.20x = 90,411.30 × 50,505.60
  4. Step 4: Simplify right side
    60,274.20x = 4,566,276,953.28
  5. Step 5: Solve for x
    x = 4,566,276,953.28/60,274.20
  6. Step 6: Final answer
    x = 75,758.40

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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.