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Finding the Fourth Proportional to 18,504.64, 25,536.74 and 10,547.37

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Solution

The fourth proportional to 18,504.64, 25,536.74 and 10,547.37 is: 14,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.64 : 25,536.74 = 10,547.37 : x
  2. Step 2: Convert to fraction form
    18,504.64/25,536.74 = 10,547.37/x
  3. Step 3: Cross multiply
    18,504.64x = 25,536.74 × 10,547.37
  4. Step 4: Simplify right side
    18,504.64x = 269,345,392.64
  5. Step 5: Solve for x
    x = 269,345,392.64/18,504.64
  6. Step 6: Final answer
    x = 14,555.56

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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.