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Finding the Fourth Proportional to 46,892.88, 70,346.27 and 13,613.22

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Solution

The fourth proportional to 46,892.88, 70,346.27 and 13,613.22 is: 20,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,892.88 : 70,346.27 = 13,613.22 : x
  2. Step 2: Convert to fraction form
    46,892.88/70,346.27 = 13,613.22/x
  3. Step 3: Cross multiply
    46,892.88x = 70,346.27 × 13,613.22
  4. Step 4: Simplify right side
    46,892.88x = 957,639,283.72
  5. Step 5: Solve for x
    x = 957,639,283.72/46,892.88
  6. Step 6: Final answer
    x = 20,421.85

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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.