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Finding the Fourth Proportional to 19,652.52, 27,120.96 and 10,700.52

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Solution

The fourth proportional to 19,652.52, 27,120.96 and 10,700.52 is: 14,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.52 : 27,120.96 = 10,700.52 : x
  2. Step 2: Convert to fraction form
    19,652.52/27,120.96 = 10,700.52/x
  3. Step 3: Cross multiply
    19,652.52x = 27,120.96 × 10,700.52
  4. Step 4: Simplify right side
    19,652.52x = 290,208,356.48
  5. Step 5: Solve for x
    x = 290,208,356.48/19,652.52
  6. Step 6: Final answer
    x = 14,766.98

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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.