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Finding the Fourth Proportional to 38,808.38, 53,555.63 and 22,041.38

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Solution

The fourth proportional to 38,808.38, 53,555.63 and 22,041.38 is: 30,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,808.38 : 53,555.63 = 22,041.38 : x
  2. Step 2: Convert to fraction form
    38,808.38/53,555.63 = 22,041.38/x
  3. Step 3: Cross multiply
    38,808.38x = 53,555.63 × 22,041.38
  4. Step 4: Simplify right side
    38,808.38x = 1,180,439,613.98
  5. Step 5: Solve for x
    x = 1,180,439,613.98/38,808.38
  6. Step 6: Final answer
    x = 30,417.14

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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.