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Finding the Fourth Proportional to 19,369.73, 29,070.16 and 10,012.49

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Solution

The fourth proportional to 19,369.73, 29,070.16 and 10,012.49 is: 15,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.73 : 29,070.16 = 10,012.49 : x
  2. Step 2: Convert to fraction form
    19,369.73/29,070.16 = 10,012.49/x
  3. Step 3: Cross multiply
    19,369.73x = 29,070.16 × 10,012.49
  4. Step 4: Simplify right side
    19,369.73x = 291,064,490.89
  5. Step 5: Solve for x
    x = 291,064,490.89/19,369.73
  6. Step 6: Final answer
    x = 15,026.77

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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.