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Finding the Fourth Proportional to 30,849.93, 42,572.72 and 17,425.53

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Solution

The fourth proportional to 30,849.93, 42,572.72 and 17,425.53 is: 24,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849.93 : 42,572.72 = 17,425.53 : x
  2. Step 2: Convert to fraction form
    30,849.93/42,572.72 = 17,425.53/x
  3. Step 3: Cross multiply
    30,849.93x = 42,572.72 × 17,425.53
  4. Step 4: Simplify right side
    30,849.93x = 741,852,253.11
  5. Step 5: Solve for x
    x = 741,852,253.11/30,849.93
  6. Step 6: Final answer
    x = 24,047.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.