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Finding the Fourth Proportional to 11,615.99, 17,425.94 and 5,373.45

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Solution

The fourth proportional to 11,615.99, 17,425.94 and 5,373.45 is: 8,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.99 : 17,425.94 = 5,373.45 : x
  2. Step 2: Convert to fraction form
    11,615.99/17,425.94 = 5,373.45/x
  3. Step 3: Cross multiply
    11,615.99x = 17,425.94 × 5,373.45
  4. Step 4: Simplify right side
    11,615.99x = 93,637,390.43
  5. Step 5: Solve for x
    x = 93,637,390.43/11,615.99
  6. Step 6: Final answer
    x = 8,061.08

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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.