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Finding the Fourth Proportional to 14,460.76, 21,631.74 and 11,544.76

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Solution

The fourth proportional to 14,460.76, 21,631.74 and 11,544.76 is: 17,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.76 : 21,631.74 = 11,544.76 : x
  2. Step 2: Convert to fraction form
    14,460.76/21,631.74 = 11,544.76/x
  3. Step 3: Cross multiply
    14,460.76x = 21,631.74 × 11,544.76
  4. Step 4: Simplify right side
    14,460.76x = 249,733,246.68
  5. Step 5: Solve for x
    x = 249,733,246.68/14,460.76
  6. Step 6: Final answer
    x = 17,269.72

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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.