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Finding the Fourth Proportional to 17,199.78, 23,739.93 and 10,489.11

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Solution

The fourth proportional to 17,199.78, 23,739.93 and 10,489.11 is: 14,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199.78 : 23,739.93 = 10,489.11 : x
  2. Step 2: Convert to fraction form
    17,199.78/23,739.93 = 10,489.11/x
  3. Step 3: Cross multiply
    17,199.78x = 23,739.93 × 10,489.11
  4. Step 4: Simplify right side
    17,199.78x = 249,010,737.16
  5. Step 5: Solve for x
    x = 249,010,737.16/17,199.78
  6. Step 6: Final answer
    x = 14,477.55

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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.