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Finding the Fourth Proportional to 32,572.80, 48,849.60 and 12,844.80

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Solution

The fourth proportional to 32,572.80, 48,849.60 and 12,844.80 is: 19,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,572.80 : 48,849.60 = 12,844.80 : x
  2. Step 2: Convert to fraction form
    32,572.80/48,849.60 = 12,844.80/x
  3. Step 3: Cross multiply
    32,572.80x = 48,849.60 × 12,844.80
  4. Step 4: Simplify right side
    32,572.80x = 627,463,342.08
  5. Step 5: Solve for x
    x = 627,463,342.08/32,572.80
  6. Step 6: Final answer
    x = 19,263.41

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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.