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Finding the Fourth Proportional to 67,328.70, 92,913.57 and 39,050.76

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Solution

The fourth proportional to 67,328.70, 92,913.57 and 39,050.76 is: 53,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328.70 : 92,913.57 = 39,050.76 : x
  2. Step 2: Convert to fraction form
    67,328.70/92,913.57 = 39,050.76/x
  3. Step 3: Cross multiply
    67,328.70x = 92,913.57 × 39,050.76
  4. Step 4: Simplify right side
    67,328.70x = 3,628,345,522.81
  5. Step 5: Solve for x
    x = 3,628,345,522.81/67,328.70
  6. Step 6: Final answer
    x = 53,890.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.