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Finding the Fourth Proportional to 60,000.40, 89,928.60 and 41,280.40

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Solution

The fourth proportional to 60,000.40, 89,928.60 and 41,280.40 is: 61,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,000.40 : 89,928.60 = 41,280.40 : x
  2. Step 2: Convert to fraction form
    60,000.40/89,928.60 = 41,280.40/x
  3. Step 3: Cross multiply
    60,000.40x = 89,928.60 × 41,280.40
  4. Step 4: Simplify right side
    60,000.40x = 3,712,288,579.44
  5. Step 5: Solve for x
    x = 3,712,288,579.44/60,000.40
  6. Step 6: Final answer
    x = 61,871.06

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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.