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Finding the Fourth Proportional to 17,758.66, 26,632.69 and 14,630.91

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Solution

The fourth proportional to 17,758.66, 26,632.69 and 14,630.91 is: 21,941.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.66 : 26,632.69 = 14,630.91 : x
  2. Step 2: Convert to fraction form
    17,758.66/26,632.69 = 14,630.91/x
  3. Step 3: Cross multiply
    17,758.66x = 26,632.69 × 14,630.91
  4. Step 4: Simplify right side
    17,758.66x = 389,660,417.29
  5. Step 5: Solve for x
    x = 389,660,417.29/17,758.66
  6. Step 6: Final answer
    x = 21,941.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.