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Finding the Fourth Proportional to 17,623.92, 26,461.20 and 15,458.88

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Solution

The fourth proportional to 17,623.92, 26,461.20 and 15,458.88 is: 23,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.92 : 26,461.20 = 15,458.88 : x
  2. Step 2: Convert to fraction form
    17,623.92/26,461.20 = 15,458.88/x
  3. Step 3: Cross multiply
    17,623.92x = 26,461.20 × 15,458.88
  4. Step 4: Simplify right side
    17,623.92x = 409,060,515.46
  5. Step 5: Solve for x
    x = 409,060,515.46/17,623.92
  6. Step 6: Final answer
    x = 23,210.53

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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.