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Finding the Fourth Proportional to 29,420.70, 44,106.17 and 12,768.14

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Solution

The fourth proportional to 29,420.70, 44,106.17 and 12,768.14 is: 19,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.70 : 44,106.17 = 12,768.14 : x
  2. Step 2: Convert to fraction form
    29,420.70/44,106.17 = 12,768.14/x
  3. Step 3: Cross multiply
    29,420.70x = 44,106.17 × 12,768.14
  4. Step 4: Simplify right side
    29,420.70x = 563,153,532.89
  5. Step 5: Solve for x
    x = 563,153,532.89/29,420.70
  6. Step 6: Final answer
    x = 19,141.40

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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.