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Finding the Fourth Proportional to 13,750.01, 20,628.51 and 6,359.78

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Solution

The fourth proportional to 13,750.01, 20,628.51 and 6,359.78 is: 9,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.01 : 20,628.51 = 6,359.78 : x
  2. Step 2: Convert to fraction form
    13,750.01/20,628.51 = 6,359.78/x
  3. Step 3: Cross multiply
    13,750.01x = 20,628.51 × 6,359.78
  4. Step 4: Simplify right side
    13,750.01x = 131,192,682.19
  5. Step 5: Solve for x
    x = 131,192,682.19/13,750.01
  6. Step 6: Final answer
    x = 9,541.28

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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.