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Finding the Fourth Proportional to 19,762.88, 27,273.30 and 10,810.88

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Solution

The fourth proportional to 19,762.88, 27,273.30 and 10,810.88 is: 14,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.88 : 27,273.30 = 10,810.88 : x
  2. Step 2: Convert to fraction form
    19,762.88/27,273.30 = 10,810.88/x
  3. Step 3: Cross multiply
    19,762.88x = 27,273.30 × 10,810.88
  4. Step 4: Simplify right side
    19,762.88x = 294,848,373.50
  5. Step 5: Solve for x
    x = 294,848,373.50/19,762.88
  6. Step 6: Final answer
    x = 14,919.30

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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.