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Finding the Fourth Proportional to 67,261.55, 92,819.03 and 38,585.99

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Solution

The fourth proportional to 67,261.55, 92,819.03 and 38,585.99 is: 53,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.55 : 92,819.03 = 38,585.99 : x
  2. Step 2: Convert to fraction form
    67,261.55/92,819.03 = 38,585.99/x
  3. Step 3: Cross multiply
    67,261.55x = 92,819.03 × 38,585.99
  4. Step 4: Simplify right side
    67,261.55x = 3,581,513,506.36
  5. Step 5: Solve for x
    x = 3,581,513,506.36/67,261.55
  6. Step 6: Final answer
    x = 53,247.57

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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.