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Finding the Fourth Proportional to 39,248.84, 58,878.45 and 12,585.93

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Solution

The fourth proportional to 39,248.84, 58,878.45 and 12,585.93 is: 18,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.84 : 58,878.45 = 12,585.93 : x
  2. Step 2: Convert to fraction form
    39,248.84/58,878.45 = 12,585.93/x
  3. Step 3: Cross multiply
    39,248.84x = 58,878.45 × 12,585.93
  4. Step 4: Simplify right side
    39,248.84x = 741,040,050.21
  5. Step 5: Solve for x
    x = 741,040,050.21/39,248.84
  6. Step 6: Final answer
    x = 18,880.56

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