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Finding the Fourth Proportional to 25,903.99, 38,851.71 and 7,186.00

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Solution

The fourth proportional to 25,903.99, 38,851.71 and 7,186.00 is: 10,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.99 : 38,851.71 = 7,186.00 : x
  2. Step 2: Convert to fraction form
    25,903.99/38,851.71 = 7,186.00/x
  3. Step 3: Cross multiply
    25,903.99x = 38,851.71 × 7,186.00
  4. Step 4: Simplify right side
    25,903.99x = 279,188,551.26
  5. Step 5: Solve for x
    x = 279,188,551.26/25,903.99
  6. Step 6: Final answer
    x = 10,777.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.