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Finding the Fourth Proportional to 21,336.17, 32,000.88 and 7,296.17

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Solution

The fourth proportional to 21,336.17, 32,000.88 and 7,296.17 is: 10,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.17 : 32,000.88 = 7,296.17 : x
  2. Step 2: Convert to fraction form
    21,336.17/32,000.88 = 7,296.17/x
  3. Step 3: Cross multiply
    21,336.17x = 32,000.88 × 7,296.17
  4. Step 4: Simplify right side
    21,336.17x = 233,483,860.63
  5. Step 5: Solve for x
    x = 233,483,860.63/21,336.17
  6. Step 6: Final answer
    x = 10,943.10

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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.