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Finding the Fourth Proportional to 17,645.80, 26,590.11 and 14,594.40

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Solution

The fourth proportional to 17,645.80, 26,590.11 and 14,594.40 is: 21,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.80 : 26,590.11 = 14,594.40 : x
  2. Step 2: Convert to fraction form
    17,645.80/26,590.11 = 14,594.40/x
  3. Step 3: Cross multiply
    17,645.80x = 26,590.11 × 14,594.40
  4. Step 4: Simplify right side
    17,645.80x = 388,066,701.38
  5. Step 5: Solve for x
    x = 388,066,701.38/17,645.80
  6. Step 6: Final answer
    x = 21,992.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.