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Finding the Fourth Proportional to 17,802.10, 26,695.05 and 9,479.98

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Solution

The fourth proportional to 17,802.10, 26,695.05 and 9,479.98 is: 14,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.10 : 26,695.05 = 9,479.98 : x
  2. Step 2: Convert to fraction form
    17,802.10/26,695.05 = 9,479.98/x
  3. Step 3: Cross multiply
    17,802.10x = 26,695.05 × 9,479.98
  4. Step 4: Simplify right side
    17,802.10x = 253,068,540.10
  5. Step 5: Solve for x
    x = 253,068,540.10/17,802.10
  6. Step 6: Final answer
    x = 14,215.66

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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.