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Finding the Fourth Proportional to 14,663.50, 22,007.06 and 7,645.66

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Solution

The fourth proportional to 14,663.50, 22,007.06 and 7,645.66 is: 11,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.50 : 22,007.06 = 7,645.66 : x
  2. Step 2: Convert to fraction form
    14,663.50/22,007.06 = 7,645.66/x
  3. Step 3: Cross multiply
    14,663.50x = 22,007.06 × 7,645.66
  4. Step 4: Simplify right side
    14,663.50x = 168,258,433.78
  5. Step 5: Solve for x
    x = 168,258,433.78/14,663.50
  6. Step 6: Final answer
    x = 11,474.65

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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.