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Finding the Fourth Proportional to 14,583, 20,108.65 and 9,859.08

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Solution

The fourth proportional to 14,583, 20,108.65 and 9,859.08 is: 13,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583 : 20,108.65 = 9,859.08 : x
  2. Step 2: Convert to fraction form
    14,583/20,108.65 = 9,859.08/x
  3. Step 3: Cross multiply
    14,583x = 20,108.65 × 9,859.08
  4. Step 4: Simplify right side
    14,583x = 198,252,789.04
  5. Step 5: Solve for x
    x = 198,252,789.04/14,583
  6. Step 6: Final answer
    x = 13,594.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.