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Finding the Fourth Proportional to 16,909.68, 25,364.16 and 4,597.68

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Solution

The fourth proportional to 16,909.68, 25,364.16 and 4,597.68 is: 6,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.68 : 25,364.16 = 4,597.68 : x
  2. Step 2: Convert to fraction form
    16,909.68/25,364.16 = 4,597.68/x
  3. Step 3: Cross multiply
    16,909.68x = 25,364.16 × 4,597.68
  4. Step 4: Simplify right side
    16,909.68x = 116,616,291.15
  5. Step 5: Solve for x
    x = 116,616,291.15/16,909.68
  6. Step 6: Final answer
    x = 6,896.42

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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.