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Finding the Fourth Proportional to 70,280.20, 105,434.70 and 23,566.60

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Solution

The fourth proportional to 70,280.20, 105,434.70 and 23,566.60 is: 35,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,280.20 : 105,434.70 = 23,566.60 : x
  2. Step 2: Convert to fraction form
    70,280.20/105,434.70 = 23,566.60/x
  3. Step 3: Cross multiply
    70,280.20x = 105,434.70 × 23,566.60
  4. Step 4: Simplify right side
    70,280.20x = 2,484,737,401.02
  5. Step 5: Solve for x
    x = 2,484,737,401.02/70,280.20
  6. Step 6: Final answer
    x = 35,354.73

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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.