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Finding the Fourth Proportional to 34,259.92, 51,378.95 and 10,880.89

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Solution

The fourth proportional to 34,259.92, 51,378.95 and 10,880.89 is: 16,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,259.92 : 51,378.95 = 10,880.89 : x
  2. Step 2: Convert to fraction form
    34,259.92/51,378.95 = 10,880.89/x
  3. Step 3: Cross multiply
    34,259.92x = 51,378.95 × 10,880.89
  4. Step 4: Simplify right side
    34,259.92x = 559,048,648.86
  5. Step 5: Solve for x
    x = 559,048,648.86/34,259.92
  6. Step 6: Final answer
    x = 16,317.86

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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.