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Finding the Fourth Proportional to 15,068.08, 20,792.02 and 8,353.64

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Solution

The fourth proportional to 15,068.08, 20,792.02 and 8,353.64 is: 11,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.08 : 20,792.02 = 8,353.64 : x
  2. Step 2: Convert to fraction form
    15,068.08/20,792.02 = 8,353.64/x
  3. Step 3: Cross multiply
    15,068.08x = 20,792.02 × 8,353.64
  4. Step 4: Simplify right side
    15,068.08x = 173,689,049.95
  5. Step 5: Solve for x
    x = 173,689,049.95/15,068.08
  6. Step 6: Final answer
    x = 11,526.95

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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.