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Finding the Fourth Proportional to 14,998.50, 22,497.75 and 5,764.50

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Solution

The fourth proportional to 14,998.50, 22,497.75 and 5,764.50 is: 8,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.50 : 22,497.75 = 5,764.50 : x
  2. Step 2: Convert to fraction form
    14,998.50/22,497.75 = 5,764.50/x
  3. Step 3: Cross multiply
    14,998.50x = 22,497.75 × 5,764.50
  4. Step 4: Simplify right side
    14,998.50x = 129,688,279.88
  5. Step 5: Solve for x
    x = 129,688,279.88/14,998.50
  6. Step 6: Final answer
    x = 8,646.75

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Double scale
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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.