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Finding the Fourth Proportional to 13,232.61, 18,260.93 and 7,264.38

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Solution

The fourth proportional to 13,232.61, 18,260.93 and 7,264.38 is: 10,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.61 : 18,260.93 = 7,264.38 : x
  2. Step 2: Convert to fraction form
    13,232.61/18,260.93 = 7,264.38/x
  3. Step 3: Cross multiply
    13,232.61x = 18,260.93 × 7,264.38
  4. Step 4: Simplify right side
    13,232.61x = 132,654,298.35
  5. Step 5: Solve for x
    x = 132,654,298.35/13,232.61
  6. Step 6: Final answer
    x = 10,024.80

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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.