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Finding the Fourth Proportional to 14,609.55, 21,934.61 and 7,498.85

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Solution

The fourth proportional to 14,609.55, 21,934.61 and 7,498.85 is: 11,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.55 : 21,934.61 = 7,498.85 : x
  2. Step 2: Convert to fraction form
    14,609.55/21,934.61 = 7,498.85/x
  3. Step 3: Cross multiply
    14,609.55x = 21,934.61 × 7,498.85
  4. Step 4: Simplify right side
    14,609.55x = 164,484,203.03
  5. Step 5: Solve for x
    x = 164,484,203.03/14,609.55
  6. Step 6: Final answer
    x = 11,258.68

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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.