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Finding the Fourth Proportional to 32,528.65, 48,792.99 and 9,155.09

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Solution

The fourth proportional to 32,528.65, 48,792.99 and 9,155.09 is: 13,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,528.65 : 48,792.99 = 9,155.09 : x
  2. Step 2: Convert to fraction form
    32,528.65/48,792.99 = 9,155.09/x
  3. Step 3: Cross multiply
    32,528.65x = 48,792.99 × 9,155.09
  4. Step 4: Simplify right side
    32,528.65x = 446,703,970.85
  5. Step 5: Solve for x
    x = 446,703,970.85/32,528.65
  6. Step 6: Final answer
    x = 13,732.63

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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.