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Finding the Fourth Proportional to 19,201.80, 26,498.06 and 10,703.88

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Solution

The fourth proportional to 19,201.80, 26,498.06 and 10,703.88 is: 14,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.80 : 26,498.06 = 10,703.88 : x
  2. Step 2: Convert to fraction form
    19,201.80/26,498.06 = 10,703.88/x
  3. Step 3: Cross multiply
    19,201.80x = 26,498.06 × 10,703.88
  4. Step 4: Simplify right side
    19,201.80x = 283,632,054.47
  5. Step 5: Solve for x
    x = 283,632,054.47/19,201.80
  6. Step 6: Final answer
    x = 14,771.12

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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.