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Finding the Fourth Proportional to 58,682.40, 87,926.40 and 49,934.40

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Solution

The fourth proportional to 58,682.40, 87,926.40 and 49,934.40 is: 74,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,682.40 : 87,926.40 = 49,934.40 : x
  2. Step 2: Convert to fraction form
    58,682.40/87,926.40 = 49,934.40/x
  3. Step 3: Cross multiply
    58,682.40x = 87,926.40 × 49,934.40
  4. Step 4: Simplify right side
    58,682.40x = 4,390,552,028.16
  5. Step 5: Solve for x
    x = 4,390,552,028.16/58,682.40
  6. Step 6: Final answer
    x = 74,818.89

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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.