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Finding the Fourth Proportional to 17,521, 24,181.22 and 11,565.07

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Solution

The fourth proportional to 17,521, 24,181.22 and 11,565.07 is: 15,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521 : 24,181.22 = 11,565.07 : x
  2. Step 2: Convert to fraction form
    17,521/24,181.22 = 11,565.07/x
  3. Step 3: Cross multiply
    17,521x = 24,181.22 × 11,565.07
  4. Step 4: Simplify right side
    17,521x = 279,657,501.99
  5. Step 5: Solve for x
    x = 279,657,501.99/17,521
  6. Step 6: Final answer
    x = 15,961.28

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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.