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Finding the Fourth Proportional to 19,369.70, 29,070.12 and 10,012.46

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Solution

The fourth proportional to 19,369.70, 29,070.12 and 10,012.46 is: 15,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.70 : 29,070.12 = 10,012.46 : x
  2. Step 2: Convert to fraction form
    19,369.70/29,070.12 = 10,012.46/x
  3. Step 3: Cross multiply
    19,369.70x = 29,070.12 × 10,012.46
  4. Step 4: Simplify right side
    19,369.70x = 291,063,377.36
  5. Step 5: Solve for x
    x = 291,063,377.36/19,369.70
  6. Step 6: Final answer
    x = 15,026.73

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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.