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Finding the Fourth Proportional to 64,259.70, 96,389.55 and 41,709.30

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Solution

The fourth proportional to 64,259.70, 96,389.55 and 41,709.30 is: 62,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259.70 : 96,389.55 = 41,709.30 : x
  2. Step 2: Convert to fraction form
    64,259.70/96,389.55 = 41,709.30/x
  3. Step 3: Cross multiply
    64,259.70x = 96,389.55 × 41,709.30
  4. Step 4: Simplify right side
    64,259.70x = 4,020,340,657.82
  5. Step 5: Solve for x
    x = 4,020,340,657.82/64,259.70
  6. Step 6: Final answer
    x = 62,563.95

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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.