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Finding the Fourth Proportional to 38,166.01, 52,669.10 and 21,399.01

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Solution

The fourth proportional to 38,166.01, 52,669.10 and 21,399.01 is: 29,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.01 : 52,669.10 = 21,399.01 : x
  2. Step 2: Convert to fraction form
    38,166.01/52,669.10 = 21,399.01/x
  3. Step 3: Cross multiply
    38,166.01x = 52,669.10 × 21,399.01
  4. Step 4: Simplify right side
    38,166.01x = 1,127,066,519.42
  5. Step 5: Solve for x
    x = 1,127,066,519.42/38,166.01
  6. Step 6: Final answer
    x = 29,530.64

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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.