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Finding the Fourth Proportional to 19,481, 26,883.80 and 10,528.48

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Solution

The fourth proportional to 19,481, 26,883.80 and 10,528.48 is: 14,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481 : 26,883.80 = 10,528.48 : x
  2. Step 2: Convert to fraction form
    19,481/26,883.80 = 10,528.48/x
  3. Step 3: Cross multiply
    19,481x = 26,883.80 × 10,528.48
  4. Step 4: Simplify right side
    19,481x = 283,045,550.62
  5. Step 5: Solve for x
    x = 283,045,550.62/19,481
  6. Step 6: Final answer
    x = 14,529.31

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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.