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Finding the Fourth Proportional to 32,482.60, 48,666.30 and 20,156.20

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Solution

The fourth proportional to 32,482.60, 48,666.30 and 20,156.20 is: 30,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,482.60 : 48,666.30 = 20,156.20 : x
  2. Step 2: Convert to fraction form
    32,482.60/48,666.30 = 20,156.20/x
  3. Step 3: Cross multiply
    32,482.60x = 48,666.30 × 20,156.20
  4. Step 4: Simplify right side
    32,482.60x = 980,927,676.06
  5. Step 5: Solve for x
    x = 980,927,676.06/32,482.60
  6. Step 6: Final answer
    x = 30,198.56

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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.