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Finding the Fourth Proportional to 22,109.93, 30,512.25 and 12,038.92

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Solution

The fourth proportional to 22,109.93, 30,512.25 and 12,038.92 is: 16,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.93 : 30,512.25 = 12,038.92 : x
  2. Step 2: Convert to fraction form
    22,109.93/30,512.25 = 12,038.92/x
  3. Step 3: Cross multiply
    22,109.93x = 30,512.25 × 12,038.92
  4. Step 4: Simplify right side
    22,109.93x = 367,334,415.34
  5. Step 5: Solve for x
    x = 367,334,415.34/22,109.93
  6. Step 6: Final answer
    x = 16,614.01

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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.