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Finding the Fourth Proportional to 13,532.00, 18,674.01 and 7,564.28

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Solution

The fourth proportional to 13,532.00, 18,674.01 and 7,564.28 is: 10,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.00 : 18,674.01 = 7,564.28 : x
  2. Step 2: Convert to fraction form
    13,532.00/18,674.01 = 7,564.28/x
  3. Step 3: Cross multiply
    13,532.00x = 18,674.01 × 7,564.28
  4. Step 4: Simplify right side
    13,532.00x = 141,255,346.99
  5. Step 5: Solve for x
    x = 141,255,346.99/13,532.00
  6. Step 6: Final answer
    x = 10,438.62

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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.