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Finding the Fourth Proportional to 14,333.68, 21,490.76 and 7,296.40

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Solution

The fourth proportional to 14,333.68, 21,490.76 and 7,296.40 is: 10,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,333.68 : 21,490.76 = 7,296.40 : x
  2. Step 2: Convert to fraction form
    14,333.68/21,490.76 = 7,296.40/x
  3. Step 3: Cross multiply
    14,333.68x = 21,490.76 × 7,296.40
  4. Step 4: Simplify right side
    14,333.68x = 156,805,181.26
  5. Step 5: Solve for x
    x = 156,805,181.26/14,333.68
  6. Step 6: Final answer
    x = 10,939.63

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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.