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Finding the Fourth Proportional to 13,840.92, 19,099.93 and 7,553.30

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Solution

The fourth proportional to 13,840.92, 19,099.93 and 7,553.30 is: 10,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.92 : 19,099.93 = 7,553.30 : x
  2. Step 2: Convert to fraction form
    13,840.92/19,099.93 = 7,553.30/x
  3. Step 3: Cross multiply
    13,840.92x = 19,099.93 × 7,553.30
  4. Step 4: Simplify right side
    13,840.92x = 144,267,501.27
  5. Step 5: Solve for x
    x = 144,267,501.27/13,840.92
  6. Step 6: Final answer
    x = 10,423.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.