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Finding the Fourth Proportional to 32,358.74, 48,540.74 and 8,985.20

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Solution

The fourth proportional to 32,358.74, 48,540.74 and 8,985.20 is: 13,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,358.74 : 48,540.74 = 8,985.20 : x
  2. Step 2: Convert to fraction form
    32,358.74/48,540.74 = 8,985.20/x
  3. Step 3: Cross multiply
    32,358.74x = 48,540.74 × 8,985.20
  4. Step 4: Simplify right side
    32,358.74x = 436,147,969.42
  5. Step 5: Solve for x
    x = 436,147,969.42/32,358.74
  6. Step 6: Final answer
    x = 13,478.52

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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.