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Finding the Fourth Proportional to 27,114.90, 40,689.63 and 11,532.50

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Solution

The fourth proportional to 27,114.90, 40,689.63 and 11,532.50 is: 17,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,114.90 : 40,689.63 = 11,532.50 : x
  2. Step 2: Convert to fraction form
    27,114.90/40,689.63 = 11,532.50/x
  3. Step 3: Cross multiply
    27,114.90x = 40,689.63 × 11,532.50
  4. Step 4: Simplify right side
    27,114.90x = 469,253,157.98
  5. Step 5: Solve for x
    x = 469,253,157.98/27,114.90
  6. Step 6: Final answer
    x = 17,306.10

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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.