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Finding the Fourth Proportional to 19,798.09, 27,320.09 and 10,845.56

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Solution

The fourth proportional to 19,798.09, 27,320.09 and 10,845.56 is: 14,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.09 : 27,320.09 = 10,845.56 : x
  2. Step 2: Convert to fraction form
    19,798.09/27,320.09 = 10,845.56/x
  3. Step 3: Cross multiply
    19,798.09x = 27,320.09 × 10,845.56
  4. Step 4: Simplify right side
    19,798.09x = 296,301,689.37
  5. Step 5: Solve for x
    x = 296,301,689.37/19,798.09
  6. Step 6: Final answer
    x = 14,966.18

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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.