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Finding the Fourth Proportional to 36,655.40, 50,585.04 and 19,888.40

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Solution

The fourth proportional to 36,655.40, 50,585.04 and 19,888.40 is: 27,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,655.40 : 50,585.04 = 19,888.40 : x
  2. Step 2: Convert to fraction form
    36,655.40/50,585.04 = 19,888.40/x
  3. Step 3: Cross multiply
    36,655.40x = 50,585.04 × 19,888.40
  4. Step 4: Simplify right side
    36,655.40x = 1,006,055,509.54
  5. Step 5: Solve for x
    x = 1,006,055,509.54/36,655.40
  6. Step 6: Final answer
    x = 27,446.31

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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.