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Finding the Fourth Proportional to 19,756.72, 27,264.63 and 10,804.60

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Solution

The fourth proportional to 19,756.72, 27,264.63 and 10,804.60 is: 14,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.72 : 27,264.63 = 10,804.60 : x
  2. Step 2: Convert to fraction form
    19,756.72/27,264.63 = 10,804.60/x
  3. Step 3: Cross multiply
    19,756.72x = 27,264.63 × 10,804.60
  4. Step 4: Simplify right side
    19,756.72x = 294,583,421.30
  5. Step 5: Solve for x
    x = 294,583,421.30/19,756.72
  6. Step 6: Final answer
    x = 14,910.54

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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.