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Finding the Fourth Proportional to 19,376.70, 29,065.05 and 8,846.70

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Solution

The fourth proportional to 19,376.70, 29,065.05 and 8,846.70 is: 13,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.70 : 29,065.05 = 8,846.70 : x
  2. Step 2: Convert to fraction form
    19,376.70/29,065.05 = 8,846.70/x
  3. Step 3: Cross multiply
    19,376.70x = 29,065.05 × 8,846.70
  4. Step 4: Simplify right side
    19,376.70x = 257,129,777.84
  5. Step 5: Solve for x
    x = 257,129,777.84/19,376.70
  6. Step 6: Final answer
    x = 13,270.05

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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.