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Finding the Fourth Proportional to 19,604.63, 27,054.51 and 10,652.21

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Solution

The fourth proportional to 19,604.63, 27,054.51 and 10,652.21 is: 14,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.63 : 27,054.51 = 10,652.21 : x
  2. Step 2: Convert to fraction form
    19,604.63/27,054.51 = 10,652.21/x
  3. Step 3: Cross multiply
    19,604.63x = 27,054.51 × 10,652.21
  4. Step 4: Simplify right side
    19,604.63x = 288,190,268.71
  5. Step 5: Solve for x
    x = 288,190,268.71/19,604.63
  6. Step 6: Final answer
    x = 14,700.11

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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.