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Finding the Fourth Proportional to 14,566.60, 21,811.02 and 12,817

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Solution

The fourth proportional to 14,566.60, 21,811.02 and 12,817 is: 19,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566.60 : 21,811.02 = 12,817 : x
  2. Step 2: Convert to fraction form
    14,566.60/21,811.02 = 12,817/x
  3. Step 3: Cross multiply
    14,566.60x = 21,811.02 × 12,817
  4. Step 4: Simplify right side
    14,566.60x = 279,551,843.34
  5. Step 5: Solve for x
    x = 279,551,843.34/14,566.60
  6. Step 6: Final answer
    x = 19,191.29

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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.