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Finding the Fourth Proportional to 15,086.64, 22,615.95 and 8,071.49

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Solution

The fourth proportional to 15,086.64, 22,615.95 and 8,071.49 is: 12,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086.64 : 22,615.95 = 8,071.49 : x
  2. Step 2: Convert to fraction form
    15,086.64/22,615.95 = 8,071.49/x
  3. Step 3: Cross multiply
    15,086.64x = 22,615.95 × 8,071.49
  4. Step 4: Simplify right side
    15,086.64x = 182,544,501.07
  5. Step 5: Solve for x
    x = 182,544,501.07/15,086.64
  6. Step 6: Final answer
    x = 12,099.74

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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.