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Finding the Fourth Proportional to 14,744.70, 22,117.05 and 7,746.30

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Solution

The fourth proportional to 14,744.70, 22,117.05 and 7,746.30 is: 11,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.70 : 22,117.05 = 7,746.30 : x
  2. Step 2: Convert to fraction form
    14,744.70/22,117.05 = 7,746.30/x
  3. Step 3: Cross multiply
    14,744.70x = 22,117.05 × 7,746.30
  4. Step 4: Simplify right side
    14,744.70x = 171,325,304.42
  5. Step 5: Solve for x
    x = 171,325,304.42/14,744.70
  6. Step 6: Final answer
    x = 11,619.45

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Similar ratio
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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.