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Finding the Fourth Proportional to 25,799.02, 38,715.79 and 9,383.02

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Solution

The fourth proportional to 25,799.02, 38,715.79 and 9,383.02 is: 14,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,799.02 : 38,715.79 = 9,383.02 : x
  2. Step 2: Convert to fraction form
    25,799.02/38,715.79 = 9,383.02/x
  3. Step 3: Cross multiply
    25,799.02x = 38,715.79 × 9,383.02
  4. Step 4: Simplify right side
    25,799.02x = 363,271,031.89
  5. Step 5: Solve for x
    x = 363,271,031.89/25,799.02
  6. Step 6: Final answer
    x = 14,080.81

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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.