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Finding the Fourth Proportional to 32,581.54, 48,878.79 and 11,527.21

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Solution

The fourth proportional to 32,581.54, 48,878.79 and 11,527.21 is: 17,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,581.54 : 48,878.79 = 11,527.21 : x
  2. Step 2: Convert to fraction form
    32,581.54/48,878.79 = 11,527.21/x
  3. Step 3: Cross multiply
    32,581.54x = 48,878.79 × 11,527.21
  4. Step 4: Simplify right side
    32,581.54x = 563,435,774.85
  5. Step 5: Solve for x
    x = 563,435,774.85/32,581.54
  6. Step 6: Final answer
    x = 17,293.10

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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.