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Finding the Fourth Proportional to 56,289.69, 84,340.82 and 39,614.69

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Solution

The fourth proportional to 56,289.69, 84,340.82 and 39,614.69 is: 59,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,289.69 : 84,340.82 = 39,614.69 : x
  2. Step 2: Convert to fraction form
    56,289.69/84,340.82 = 39,614.69/x
  3. Step 3: Cross multiply
    56,289.69x = 84,340.82 × 39,614.69
  4. Step 4: Simplify right side
    56,289.69x = 3,341,135,748.53
  5. Step 5: Solve for x
    x = 3,341,135,748.53/56,289.69
  6. Step 6: Final answer
    x = 59,356.09

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1.5x scale

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.