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Finding the Fourth Proportional to 14,043, 21,070.65 and 6,652.74

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Solution

The fourth proportional to 14,043, 21,070.65 and 6,652.74 is: 9,982.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043 : 21,070.65 = 6,652.74 : x
  2. Step 2: Convert to fraction form
    14,043/21,070.65 = 6,652.74/x
  3. Step 3: Cross multiply
    14,043x = 21,070.65 × 6,652.74
  4. Step 4: Simplify right side
    14,043x = 140,177,556.08
  5. Step 5: Solve for x
    x = 140,177,556.08/14,043
  6. Step 6: Final answer
    x = 9,982.02

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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.