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Finding the Fourth Proportional to 14,518.71, 21,776.04 and 4,658.85

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Solution

The fourth proportional to 14,518.71, 21,776.04 and 4,658.85 is: 6,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.71 : 21,776.04 = 4,658.85 : x
  2. Step 2: Convert to fraction form
    14,518.71/21,776.04 = 4,658.85/x
  3. Step 3: Cross multiply
    14,518.71x = 21,776.04 × 4,658.85
  4. Step 4: Simplify right side
    14,518.71x = 101,451,303.95
  5. Step 5: Solve for x
    x = 101,451,303.95/14,518.71
  6. Step 6: Final answer
    x = 6,987.63

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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.