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Finding the Fourth Proportional to 19,602.70, 29,404.00 and 8,507.95

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Solution

The fourth proportional to 19,602.70, 29,404.00 and 8,507.95 is: 12,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.70 : 29,404.00 = 8,507.95 : x
  2. Step 2: Convert to fraction form
    19,602.70/29,404.00 = 8,507.95/x
  3. Step 3: Cross multiply
    19,602.70x = 29,404.00 × 8,507.95
  4. Step 4: Simplify right side
    19,602.70x = 250,167,593.51
  5. Step 5: Solve for x
    x = 250,167,593.51/19,602.70
  6. Step 6: Final answer
    x = 12,761.90

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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.