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Finding the Fourth Proportional to 32,990.39, 49,484.88 and 8,030.57

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Solution

The fourth proportional to 32,990.39, 49,484.88 and 8,030.57 is: 12,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.39 : 49,484.88 = 8,030.57 : x
  2. Step 2: Convert to fraction form
    32,990.39/49,484.88 = 8,030.57/x
  3. Step 3: Cross multiply
    32,990.39x = 49,484.88 × 8,030.57
  4. Step 4: Simplify right side
    32,990.39x = 397,391,792.78
  5. Step 5: Solve for x
    x = 397,391,792.78/32,990.39
  6. Step 6: Final answer
    x = 12,045.69

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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.