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Finding the Fourth Proportional to 38,598.80, 57,868.56 and 19,607.84

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Solution

The fourth proportional to 38,598.80, 57,868.56 and 19,607.84 is: 29,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,598.80 : 57,868.56 = 19,607.84 : x
  2. Step 2: Convert to fraction form
    38,598.80/57,868.56 = 19,607.84/x
  3. Step 3: Cross multiply
    38,598.80x = 57,868.56 × 19,607.84
  4. Step 4: Simplify right side
    38,598.80x = 1,134,677,465.51
  5. Step 5: Solve for x
    x = 1,134,677,465.51/38,598.80
  6. Step 6: Final answer
    x = 29,396.70

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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.