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Finding the Fourth Proportional to 67,960.80, 93,798.12 and 39,276.53

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Solution

The fourth proportional to 67,960.80, 93,798.12 and 39,276.53 is: 54,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,960.80 : 93,798.12 = 39,276.53 : x
  2. Step 2: Convert to fraction form
    67,960.80/93,798.12 = 39,276.53/x
  3. Step 3: Cross multiply
    67,960.80x = 93,798.12 × 39,276.53
  4. Step 4: Simplify right side
    67,960.80x = 3,684,064,008.75
  5. Step 5: Solve for x
    x = 3,684,064,008.75/67,960.80
  6. Step 6: Final answer
    x = 54,208.67

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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.