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Finding the Fourth Proportional to 26,387.58, 36,410.50 and 15,057.08

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Solution

The fourth proportional to 26,387.58, 36,410.50 and 15,057.08 is: 20,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.58 : 36,410.50 = 15,057.08 : x
  2. Step 2: Convert to fraction form
    26,387.58/36,410.50 = 15,057.08/x
  3. Step 3: Cross multiply
    26,387.58x = 36,410.50 × 15,057.08
  4. Step 4: Simplify right side
    26,387.58x = 548,235,811.34
  5. Step 5: Solve for x
    x = 548,235,811.34/26,387.58
  6. Step 6: Final answer
    x = 20,776.28

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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.