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Finding the Fourth Proportional to 46,691.82, 70,017.08 and 13,404.15

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Solution

The fourth proportional to 46,691.82, 70,017.08 and 13,404.15 is: 20,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,691.82 : 70,017.08 = 13,404.15 : x
  2. Step 2: Convert to fraction form
    46,691.82/70,017.08 = 13,404.15/x
  3. Step 3: Cross multiply
    46,691.82x = 70,017.08 × 13,404.15
  4. Step 4: Simplify right side
    46,691.82x = 938,519,375.86
  5. Step 5: Solve for x
    x = 938,519,375.86/46,691.82
  6. Step 6: Final answer
    x = 20,100.30

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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.