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Finding the Fourth Proportional to 14,591.81, 21,852.65 and 8,332.85

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Solution

The fourth proportional to 14,591.81, 21,852.65 and 8,332.85 is: 12,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.81 : 21,852.65 = 8,332.85 : x
  2. Step 2: Convert to fraction form
    14,591.81/21,852.65 = 8,332.85/x
  3. Step 3: Cross multiply
    14,591.81x = 21,852.65 × 8,332.85
  4. Step 4: Simplify right side
    14,591.81x = 182,094,930.02
  5. Step 5: Solve for x
    x = 182,094,930.02/14,591.81
  6. Step 6: Final answer
    x = 12,479.25

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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.