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Finding the Fourth Proportional to 9,998.08, 14,973.76 and 7,904.04

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Solution

The fourth proportional to 9,998.08, 14,973.76 and 7,904.04 is: 11,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.08 : 14,973.76 = 7,904.04 : x
  2. Step 2: Convert to fraction form
    9,998.08/14,973.76 = 7,904.04/x
  3. Step 3: Cross multiply
    9,998.08x = 14,973.76 × 7,904.04
  4. Step 4: Simplify right side
    9,998.08x = 118,353,197.99
  5. Step 5: Solve for x
    x = 118,353,197.99/9,998.08
  6. Step 6: Final answer
    x = 11,837.59

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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.