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Finding the Fourth Proportional to 17,700.90, 24,416.67 and 11,328.90

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Solution

The fourth proportional to 17,700.90, 24,416.67 and 11,328.90 is: 15,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.90 : 24,416.67 = 11,328.90 : x
  2. Step 2: Convert to fraction form
    17,700.90/24,416.67 = 11,328.90/x
  3. Step 3: Cross multiply
    17,700.90x = 24,416.67 × 11,328.90
  4. Step 4: Simplify right side
    17,700.90x = 276,614,012.76
  5. Step 5: Solve for x
    x = 276,614,012.76/17,700.90
  6. Step 6: Final answer
    x = 15,627.12

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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.