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Finding the Fourth Proportional to 17,652.79, 26,490.35 and 9,866.71

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Solution

The fourth proportional to 17,652.79, 26,490.35 and 9,866.71 is: 14,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,652.79 : 26,490.35 = 9,866.71 : x
  2. Step 2: Convert to fraction form
    17,652.79/26,490.35 = 9,866.71/x
  3. Step 3: Cross multiply
    17,652.79x = 26,490.35 × 9,866.71
  4. Step 4: Simplify right side
    17,652.79x = 261,372,601.25
  5. Step 5: Solve for x
    x = 261,372,601.25/17,652.79
  6. Step 6: Final answer
    x = 14,806.31

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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.