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Finding the Fourth Proportional to 60,000.40, 90,000.60 and 48,336.40

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Solution

The fourth proportional to 60,000.40, 90,000.60 and 48,336.40 is: 72,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,000.40 : 90,000.60 = 48,336.40 : x
  2. Step 2: Convert to fraction form
    60,000.40/90,000.60 = 48,336.40/x
  3. Step 3: Cross multiply
    60,000.40x = 90,000.60 × 48,336.40
  4. Step 4: Simplify right side
    60,000.40x = 4,350,305,001.84
  5. Step 5: Solve for x
    x = 4,350,305,001.84/60,000.40
  6. Step 6: Final answer
    x = 72,504.60

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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.