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Finding the Fourth Proportional to 15,336.60, 23,004.90 and 15,117.90

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Solution

The fourth proportional to 15,336.60, 23,004.90 and 15,117.90 is: 22,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.60 : 23,004.90 = 15,117.90 : x
  2. Step 2: Convert to fraction form
    15,336.60/23,004.90 = 15,117.90/x
  3. Step 3: Cross multiply
    15,336.60x = 23,004.90 × 15,117.90
  4. Step 4: Simplify right side
    15,336.60x = 347,785,777.71
  5. Step 5: Solve for x
    x = 347,785,777.71/15,336.60
  6. Step 6: Final answer
    x = 22,676.85

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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.