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Finding the Fourth Proportional to 19,101, 26,359.38 and 10,717.68

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Solution

The fourth proportional to 19,101, 26,359.38 and 10,717.68 is: 14,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101 : 26,359.38 = 10,717.68 : x
  2. Step 2: Convert to fraction form
    19,101/26,359.38 = 10,717.68/x
  3. Step 3: Cross multiply
    19,101x = 26,359.38 × 10,717.68
  4. Step 4: Simplify right side
    19,101x = 282,511,399.84
  5. Step 5: Solve for x
    x = 282,511,399.84/19,101
  6. Step 6: Final answer
    x = 14,790.40

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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.