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Finding the Fourth Proportional to 32,541.48, 48,779.40 and 12,812.40

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Solution

The fourth proportional to 32,541.48, 48,779.40 and 12,812.40 is: 19,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,541.48 : 48,779.40 = 12,812.40 : x
  2. Step 2: Convert to fraction form
    32,541.48/48,779.40 = 12,812.40/x
  3. Step 3: Cross multiply
    32,541.48x = 48,779.40 × 12,812.40
  4. Step 4: Simplify right side
    32,541.48x = 624,981,184.56
  5. Step 5: Solve for x
    x = 624,981,184.56/32,541.48
  6. Step 6: Final answer
    x = 19,205.68

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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.