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Finding the Fourth Proportional to 29,808.48, 44,733.21 and 12,278.31

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Solution

The fourth proportional to 29,808.48, 44,733.21 and 12,278.31 is: 18,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808.48 : 44,733.21 = 12,278.31 : x
  2. Step 2: Convert to fraction form
    29,808.48/44,733.21 = 12,278.31/x
  3. Step 3: Cross multiply
    29,808.48x = 44,733.21 × 12,278.31
  4. Step 4: Simplify right side
    29,808.48x = 549,248,219.68
  5. Step 5: Solve for x
    x = 549,248,219.68/29,808.48
  6. Step 6: Final answer
    x = 18,425.90

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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.