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Finding the Fourth Proportional to 13,000.88, 17,929.44 and 8,523.02

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Solution

The fourth proportional to 13,000.88, 17,929.44 and 8,523.02 is: 11,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.88 : 17,929.44 = 8,523.02 : x
  2. Step 2: Convert to fraction form
    13,000.88/17,929.44 = 8,523.02/x
  3. Step 3: Cross multiply
    13,000.88x = 17,929.44 × 8,523.02
  4. Step 4: Simplify right side
    13,000.88x = 152,812,975.71
  5. Step 5: Solve for x
    x = 152,812,975.71/13,000.88
  6. Step 6: Final answer
    x = 11,754.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.