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Finding the Fourth Proportional to 60,312.40, 90,468.60 and 44,760.40

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Solution

The fourth proportional to 60,312.40, 90,468.60 and 44,760.40 is: 67,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,312.40 : 90,468.60 = 44,760.40 : x
  2. Step 2: Convert to fraction form
    60,312.40/90,468.60 = 44,760.40/x
  3. Step 3: Cross multiply
    60,312.40x = 90,468.60 × 44,760.40
  4. Step 4: Simplify right side
    60,312.40x = 4,049,410,723.44
  5. Step 5: Solve for x
    x = 4,049,410,723.44/60,312.40
  6. Step 6: Final answer
    x = 67,140.60

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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.