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Finding the Fourth Proportional to 47,115.80, 70,673.70 and 27,416.60

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Solution

The fourth proportional to 47,115.80, 70,673.70 and 27,416.60 is: 41,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.80 : 70,673.70 = 27,416.60 : x
  2. Step 2: Convert to fraction form
    47,115.80/70,673.70 = 27,416.60/x
  3. Step 3: Cross multiply
    47,115.80x = 70,673.70 × 27,416.60
  4. Step 4: Simplify right side
    47,115.80x = 1,937,632,563.42
  5. Step 5: Solve for x
    x = 1,937,632,563.42/47,115.80
  6. Step 6: Final answer
    x = 41,124.90

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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.