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Finding the Fourth Proportional to 29,682.40, 44,518.74 and 10,971.20

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Solution

The fourth proportional to 29,682.40, 44,518.74 and 10,971.20 is: 16,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,682.40 : 44,518.74 = 10,971.20 : x
  2. Step 2: Convert to fraction form
    29,682.40/44,518.74 = 10,971.20/x
  3. Step 3: Cross multiply
    29,682.40x = 44,518.74 × 10,971.20
  4. Step 4: Simplify right side
    29,682.40x = 488,424,000.29
  5. Step 5: Solve for x
    x = 488,424,000.29/29,682.40
  6. Step 6: Final answer
    x = 16,455.00

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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.