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Finding the Fourth Proportional to 15,119.16, 22,686.94 and 7,327.97

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Solution

The fourth proportional to 15,119.16, 22,686.94 and 7,327.97 is: 10,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119.16 : 22,686.94 = 7,327.97 : x
  2. Step 2: Convert to fraction form
    15,119.16/22,686.94 = 7,327.97/x
  3. Step 3: Cross multiply
    15,119.16x = 22,686.94 × 7,327.97
  4. Step 4: Simplify right side
    15,119.16x = 166,249,155.29
  5. Step 5: Solve for x
    x = 166,249,155.29/15,119.16
  6. Step 6: Final answer
    x = 10,995.93

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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.