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Finding the Fourth Proportional to 18,550.81, 25,600.15 and 10,052.93

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Solution

The fourth proportional to 18,550.81, 25,600.15 and 10,052.93 is: 13,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.81 : 25,600.15 = 10,052.93 : x
  2. Step 2: Convert to fraction form
    18,550.81/25,600.15 = 10,052.93/x
  3. Step 3: Cross multiply
    18,550.81x = 25,600.15 × 10,052.93
  4. Step 4: Simplify right side
    18,550.81x = 257,356,592.51
  5. Step 5: Solve for x
    x = 257,356,592.51/18,550.81
  6. Step 6: Final answer
    x = 13,873.06

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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.