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Finding the Fourth Proportional to 13,300.00, 19,950.10 and 5,902.47

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Solution

The fourth proportional to 13,300.00, 19,950.10 and 5,902.47 is: 8,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.00 : 19,950.10 = 5,902.47 : x
  2. Step 2: Convert to fraction form
    13,300.00/19,950.10 = 5,902.47/x
  3. Step 3: Cross multiply
    13,300.00x = 19,950.10 × 5,902.47
  4. Step 4: Simplify right side
    13,300.00x = 117,754,851.99
  5. Step 5: Solve for x
    x = 117,754,851.99/13,300.00
  6. Step 6: Final answer
    x = 8,853.75

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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.