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Finding the Fourth Proportional to 32,013.05, 48,019.58 and 8,639.45

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Solution

The fourth proportional to 32,013.05, 48,019.58 and 8,639.45 is: 12,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,013.05 : 48,019.58 = 8,639.45 : x
  2. Step 2: Convert to fraction form
    32,013.05/48,019.58 = 8,639.45/x
  3. Step 3: Cross multiply
    32,013.05x = 48,019.58 × 8,639.45
  4. Step 4: Simplify right side
    32,013.05x = 414,862,717.23
  5. Step 5: Solve for x
    x = 414,862,717.23/32,013.05
  6. Step 6: Final answer
    x = 12,959.18

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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.