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Finding the Fourth Proportional to 29,876.76, 44,815.56 and 12,346.68

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Solution

The fourth proportional to 29,876.76, 44,815.56 and 12,346.68 is: 18,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,876.76 : 44,815.56 = 12,346.68 : x
  2. Step 2: Convert to fraction form
    29,876.76/44,815.56 = 12,346.68/x
  3. Step 3: Cross multiply
    29,876.76x = 44,815.56 × 12,346.68
  4. Step 4: Simplify right side
    29,876.76x = 553,323,378.34
  5. Step 5: Solve for x
    x = 553,323,378.34/29,876.76
  6. Step 6: Final answer
    x = 18,520.19

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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.