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Finding the Fourth Proportional to 11,602.57, 17,389.57 and 5,353.90

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Solution

The fourth proportional to 11,602.57, 17,389.57 and 5,353.90 is: 8,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.57 : 17,389.57 = 5,353.90 : x
  2. Step 2: Convert to fraction form
    11,602.57/17,389.57 = 5,353.90/x
  3. Step 3: Cross multiply
    11,602.57x = 17,389.57 × 5,353.90
  4. Step 4: Simplify right side
    11,602.57x = 93,102,018.82
  5. Step 5: Solve for x
    x = 93,102,018.82/11,602.57
  6. Step 6: Final answer
    x = 8,024.26

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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.