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Finding the Fourth Proportional to 32,613.55, 48,919.80 and 12,892.29

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Solution

The fourth proportional to 32,613.55, 48,919.80 and 12,892.29 is: 19,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,613.55 : 48,919.80 = 12,892.29 : x
  2. Step 2: Convert to fraction form
    32,613.55/48,919.80 = 12,892.29/x
  3. Step 3: Cross multiply
    32,613.55x = 48,919.80 × 12,892.29
  4. Step 4: Simplify right side
    32,613.55x = 630,688,248.34
  5. Step 5: Solve for x
    x = 630,688,248.34/32,613.55
  6. Step 6: Final answer
    x = 19,338.23

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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.