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Finding the Fourth Proportional to 35,697.16, 53,505.64 and 16,961.86

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Solution

The fourth proportional to 35,697.16, 53,505.64 and 16,961.86 is: 25,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,697.16 : 53,505.64 = 16,961.86 : x
  2. Step 2: Convert to fraction form
    35,697.16/53,505.64 = 16,961.86/x
  3. Step 3: Cross multiply
    35,697.16x = 53,505.64 × 16,961.86
  4. Step 4: Simplify right side
    35,697.16x = 907,554,998.72
  5. Step 5: Solve for x
    x = 907,554,998.72/35,697.16
  6. Step 6: Final answer
    x = 25,423.73

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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.