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Finding the Fourth Proportional to 32,669.61, 48,998.57 and 8,654.08

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Solution

The fourth proportional to 32,669.61, 48,998.57 and 8,654.08 is: 12,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,669.61 : 48,998.57 = 8,654.08 : x
  2. Step 2: Convert to fraction form
    32,669.61/48,998.57 = 8,654.08/x
  3. Step 3: Cross multiply
    32,669.61x = 48,998.57 × 8,654.08
  4. Step 4: Simplify right side
    32,669.61x = 424,037,287.03
  5. Step 5: Solve for x
    x = 424,037,287.03/32,669.61
  6. Step 6: Final answer
    x = 12,979.56

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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.