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Finding the Fourth Proportional to 19,295.89, 26,629.56 and 10,798.99

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Solution

The fourth proportional to 19,295.89, 26,629.56 and 10,798.99 is: 14,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.89 : 26,629.56 = 10,798.99 : x
  2. Step 2: Convert to fraction form
    19,295.89/26,629.56 = 10,798.99/x
  3. Step 3: Cross multiply
    19,295.89x = 26,629.56 × 10,798.99
  4. Step 4: Simplify right side
    19,295.89x = 287,572,285.57
  5. Step 5: Solve for x
    x = 287,572,285.57/19,295.89
  6. Step 6: Final answer
    x = 14,903.29

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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.