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Finding the Fourth Proportional to 22,060.64, 30,444.24 and 12,632.24

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Solution

The fourth proportional to 22,060.64, 30,444.24 and 12,632.24 is: 17,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.64 : 30,444.24 = 12,632.24 : x
  2. Step 2: Convert to fraction form
    22,060.64/30,444.24 = 12,632.24/x
  3. Step 3: Cross multiply
    22,060.64x = 30,444.24 × 12,632.24
  4. Step 4: Simplify right side
    22,060.64x = 384,578,946.30
  5. Step 5: Solve for x
    x = 384,578,946.30/22,060.64
  6. Step 6: Final answer
    x = 17,432.81

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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.