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Finding the Fourth Proportional to 52,245.79, 78,358.48 and 16,697.57

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Solution

The fourth proportional to 52,245.79, 78,358.48 and 16,697.57 is: 25,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,245.79 : 78,358.48 = 16,697.57 : x
  2. Step 2: Convert to fraction form
    52,245.79/78,358.48 = 16,697.57/x
  3. Step 3: Cross multiply
    52,245.79x = 78,358.48 × 16,697.57
  4. Step 4: Simplify right side
    52,245.79x = 1,308,396,400.79
  5. Step 5: Solve for x
    x = 1,308,396,400.79/52,245.79
  6. Step 6: Final answer
    x = 25,043.10

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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.