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Finding the Fourth Proportional to 39,644.70, 59,416.65 and 16,244.70

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Solution

The fourth proportional to 39,644.70, 59,416.65 and 16,244.70 is: 24,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,644.70 : 59,416.65 = 16,244.70 : x
  2. Step 2: Convert to fraction form
    39,644.70/59,416.65 = 16,244.70/x
  3. Step 3: Cross multiply
    39,644.70x = 59,416.65 × 16,244.70
  4. Step 4: Simplify right side
    39,644.70x = 965,205,654.26
  5. Step 5: Solve for x
    x = 965,205,654.26/39,644.70
  6. Step 6: Final answer
    x = 24,346.40

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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.