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Finding the Fourth Proportional to 38,586.80, 58,009.80 and 32,884.40

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Solution

The fourth proportional to 38,586.80, 58,009.80 and 32,884.40 is: 49,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.80 : 58,009.80 = 32,884.40 : x
  2. Step 2: Convert to fraction form
    38,586.80/58,009.80 = 32,884.40/x
  3. Step 3: Cross multiply
    38,586.80x = 58,009.80 × 32,884.40
  4. Step 4: Simplify right side
    38,586.80x = 1,907,617,467.12
  5. Step 5: Solve for x
    x = 1,907,617,467.12/38,586.80
  6. Step 6: Final answer
    x = 49,437.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.