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Finding the Fourth Proportional to 19,593.72, 29,386.64 and 9,594.15

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Solution

The fourth proportional to 19,593.72, 29,386.64 and 9,594.15 is: 14,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.72 : 29,386.64 = 9,594.15 : x
  2. Step 2: Convert to fraction form
    19,593.72/29,386.64 = 9,594.15/x
  3. Step 3: Cross multiply
    19,593.72x = 29,386.64 × 9,594.15
  4. Step 4: Simplify right side
    19,593.72x = 281,939,745.94
  5. Step 5: Solve for x
    x = 281,939,745.94/19,593.72
  6. Step 6: Final answer
    x = 14,389.29

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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.