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Finding the Fourth Proportional to 22,254.49, 30,710.01 and 12,180.98

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Solution

The fourth proportional to 22,254.49, 30,710.01 and 12,180.98 is: 16,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.49 : 30,710.01 = 12,180.98 : x
  2. Step 2: Convert to fraction form
    22,254.49/30,710.01 = 12,180.98/x
  3. Step 3: Cross multiply
    22,254.49x = 30,710.01 × 12,180.98
  4. Step 4: Simplify right side
    22,254.49x = 374,078,017.61
  5. Step 5: Solve for x
    x = 374,078,017.61/22,254.49
  6. Step 6: Final answer
    x = 16,809.10

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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.