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Finding the Fourth Proportional to 62,445.40, 93,676.20 and 30,871.60

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Solution

The fourth proportional to 62,445.40, 93,676.20 and 30,871.60 is: 46,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,445.40 : 93,676.20 = 30,871.60 : x
  2. Step 2: Convert to fraction form
    62,445.40/93,676.20 = 30,871.60/x
  3. Step 3: Cross multiply
    62,445.40x = 93,676.20 × 30,871.60
  4. Step 4: Simplify right side
    62,445.40x = 2,891,934,175.92
  5. Step 5: Solve for x
    x = 2,891,934,175.92/62,445.40
  6. Step 6: Final answer
    x = 46,311.40

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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.