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Finding the Fourth Proportional to 15,043.79, 22,586.39 and 7,653.25

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Solution

The fourth proportional to 15,043.79, 22,586.39 and 7,653.25 is: 11,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.79 : 22,586.39 = 7,653.25 : x
  2. Step 2: Convert to fraction form
    15,043.79/22,586.39 = 7,653.25/x
  3. Step 3: Cross multiply
    15,043.79x = 22,586.39 × 7,653.25
  4. Step 4: Simplify right side
    15,043.79x = 172,859,289.27
  5. Step 5: Solve for x
    x = 172,859,289.27/15,043.79
  6. Step 6: Final answer
    x = 11,490.41

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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.