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Finding the Fourth Proportional to 18,502.61, 25,534.53 and 10,953.27

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Solution

The fourth proportional to 18,502.61, 25,534.53 and 10,953.27 is: 15,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.61 : 25,534.53 = 10,953.27 : x
  2. Step 2: Convert to fraction form
    18,502.61/25,534.53 = 10,953.27/x
  3. Step 3: Cross multiply
    18,502.61x = 25,534.53 × 10,953.27
  4. Step 4: Simplify right side
    18,502.61x = 279,686,601.41
  5. Step 5: Solve for x
    x = 279,686,601.41/18,502.61
  6. Step 6: Final answer
    x = 15,116.07

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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.