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Finding the Fourth Proportional to 13,232.60, 18,261.41 and 7,264.65

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Solution

The fourth proportional to 13,232.60, 18,261.41 and 7,264.65 is: 10,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.60 : 18,261.41 = 7,264.65 : x
  2. Step 2: Convert to fraction form
    13,232.60/18,261.41 = 7,264.65/x
  3. Step 3: Cross multiply
    13,232.60x = 18,261.41 × 7,264.65
  4. Step 4: Simplify right side
    13,232.60x = 132,662,715.83
  5. Step 5: Solve for x
    x = 132,662,715.83/13,232.60
  6. Step 6: Final answer
    x = 10,025.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.