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Finding the Fourth Proportional to 32,186.55, 48,278.92 and 8,812.99

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Solution

The fourth proportional to 32,186.55, 48,278.92 and 8,812.99 is: 13,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,186.55 : 48,278.92 = 8,812.99 : x
  2. Step 2: Convert to fraction form
    32,186.55/48,278.92 = 8,812.99/x
  3. Step 3: Cross multiply
    32,186.55x = 48,278.92 × 8,812.99
  4. Step 4: Simplify right side
    32,186.55x = 425,481,639.17
  5. Step 5: Solve for x
    x = 425,481,639.17/32,186.55
  6. Step 6: Final answer
    x = 13,219.24

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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.