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Finding the Fourth Proportional to 59,369.40, 89,115.48 and 39,784.82

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Solution

The fourth proportional to 59,369.40, 89,115.48 and 39,784.82 is: 59,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,369.40 : 89,115.48 = 39,784.82 : x
  2. Step 2: Convert to fraction form
    59,369.40/89,115.48 = 39,784.82/x
  3. Step 3: Cross multiply
    59,369.40x = 89,115.48 × 39,784.82
  4. Step 4: Simplify right side
    59,369.40x = 3,545,442,885.44
  5. Step 5: Solve for x
    x = 3,545,442,885.44/59,369.40
  6. Step 6: Final answer
    x = 59,718.35

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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.