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Finding the Fourth Proportional to 32,553.10, 48,829.65 and 19,212.40

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Solution

The fourth proportional to 32,553.10, 48,829.65 and 19,212.40 is: 28,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,553.10 : 48,829.65 = 19,212.40 : x
  2. Step 2: Convert to fraction form
    32,553.10/48,829.65 = 19,212.40/x
  3. Step 3: Cross multiply
    32,553.10x = 48,829.65 × 19,212.40
  4. Step 4: Simplify right side
    32,553.10x = 938,134,767.66
  5. Step 5: Solve for x
    x = 938,134,767.66/32,553.10
  6. Step 6: Final answer
    x = 28,818.60

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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.