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Finding the Fourth Proportional to 13,256.50, 18,295.18 and 7,593.08

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Solution

The fourth proportional to 13,256.50, 18,295.18 and 7,593.08 is: 10,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.50 : 18,295.18 = 7,593.08 : x
  2. Step 2: Convert to fraction form
    13,256.50/18,295.18 = 7,593.08/x
  3. Step 3: Cross multiply
    13,256.50x = 18,295.18 × 7,593.08
  4. Step 4: Simplify right side
    13,256.50x = 138,916,765.35
  5. Step 5: Solve for x
    x = 138,916,765.35/13,256.50
  6. Step 6: Final answer
    x = 10,479.14

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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.