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Finding the Fourth Proportional to 19,710.67, 27,200.50 and 10,758.10

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Solution

The fourth proportional to 19,710.67, 27,200.50 and 10,758.10 is: 14,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.67 : 27,200.50 = 10,758.10 : x
  2. Step 2: Convert to fraction form
    19,710.67/27,200.50 = 10,758.10/x
  3. Step 3: Cross multiply
    19,710.67x = 27,200.50 × 10,758.10
  4. Step 4: Simplify right side
    19,710.67x = 292,625,699.05
  5. Step 5: Solve for x
    x = 292,625,699.05/19,710.67
  6. Step 6: Final answer
    x = 14,846.06

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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.