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Finding the Fourth Proportional to 17,605.92, 24,296.48 and 12,018.72

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Solution

The fourth proportional to 17,605.92, 24,296.48 and 12,018.72 is: 16,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.92 : 24,296.48 = 12,018.72 : x
  2. Step 2: Convert to fraction form
    17,605.92/24,296.48 = 12,018.72/x
  3. Step 3: Cross multiply
    17,605.92x = 24,296.48 × 12,018.72
  4. Step 4: Simplify right side
    17,605.92x = 292,012,590.11
  5. Step 5: Solve for x
    x = 292,012,590.11/17,605.92
  6. Step 6: Final answer
    x = 16,586.05

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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.