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Finding the Fourth Proportional to 14,751.45, 22,113.79 and 7,358.18

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Solution

The fourth proportional to 14,751.45, 22,113.79 and 7,358.18 is: 11,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.45 : 22,113.79 = 7,358.18 : x
  2. Step 2: Convert to fraction form
    14,751.45/22,113.79 = 7,358.18/x
  3. Step 3: Cross multiply
    14,751.45x = 22,113.79 × 7,358.18
  4. Step 4: Simplify right side
    14,751.45x = 162,717,136.73
  5. Step 5: Solve for x
    x = 162,717,136.73/14,751.45
  6. Step 6: Final answer
    x = 11,030.59

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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.