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Finding the Fourth Proportional to 15,453.85, 23,156.02 and 15,043.81

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Solution

The fourth proportional to 15,453.85, 23,156.02 and 15,043.81 is: 22,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.85 : 23,156.02 = 15,043.81 : x
  2. Step 2: Convert to fraction form
    15,453.85/23,156.02 = 15,043.81/x
  3. Step 3: Cross multiply
    15,453.85x = 23,156.02 × 15,043.81
  4. Step 4: Simplify right side
    15,453.85x = 348,354,765.24
  5. Step 5: Solve for x
    x = 348,354,765.24/15,453.85
  6. Step 6: Final answer
    x = 22,541.62

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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.