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Finding the Fourth Proportional to 38,321.04, 52,883.04 and 21,326.84

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Solution

The fourth proportional to 38,321.04, 52,883.04 and 21,326.84 is: 29,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.04 : 52,883.04 = 21,326.84 : x
  2. Step 2: Convert to fraction form
    38,321.04/52,883.04 = 21,326.84/x
  3. Step 3: Cross multiply
    38,321.04x = 52,883.04 × 21,326.84
  4. Step 4: Simplify right side
    38,321.04x = 1,127,828,132.79
  5. Step 5: Solve for x
    x = 1,127,828,132.79/38,321.04
  6. Step 6: Final answer
    x = 29,431.04

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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.