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Finding the Fourth Proportional to 22,402.95, 33,596.42 and 7,407.32

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Solution

The fourth proportional to 22,402.95, 33,596.42 and 7,407.32 is: 11,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,402.95 : 33,596.42 = 7,407.32 : x
  2. Step 2: Convert to fraction form
    22,402.95/33,596.42 = 7,407.32/x
  3. Step 3: Cross multiply
    22,402.95x = 33,596.42 × 7,407.32
  4. Step 4: Simplify right side
    22,402.95x = 248,859,228.78
  5. Step 5: Solve for x
    x = 248,859,228.78/22,402.95
  6. Step 6: Final answer
    x = 11,108.32

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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.