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Finding the Fourth Proportional to 35,601.32, 53,400.78 and 16,890.32

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Solution

The fourth proportional to 35,601.32, 53,400.78 and 16,890.32 is: 25,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,601.32 : 53,400.78 = 16,890.32 : x
  2. Step 2: Convert to fraction form
    35,601.32/53,400.78 = 16,890.32/x
  3. Step 3: Cross multiply
    35,601.32x = 53,400.78 × 16,890.32
  4. Step 4: Simplify right side
    35,601.32x = 901,956,262.45
  5. Step 5: Solve for x
    x = 901,956,262.45/35,601.32
  6. Step 6: Final answer
    x = 25,334.91

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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.